Atoms, Elements And Compounds Practice Quiz

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  • 1/28 Questions

    A atom with a positive or negative charge is called a _____.

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About This Quiz

Brief quiz on atoms (i. E. Models), elements (i. E. Periodic table), compounds (i. E. Molecular and ionic) and some WHMIS questions.
Good Luck!

Atoms And Molecules Quizzes & Trivia

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  • 2. 

    A positively charged ion is called a ________.

    Explanation
    A positively charged ion is called a cation. This is because when an atom loses one or more electrons, it becomes positively charged. Cations are formed when atoms of metals or other elements with low electronegativity give up electrons to atoms with high electronegativity. The resulting positively charged ion is attracted to negatively charged ions or polar molecules, forming ionic bonds. Cations play a crucial role in various chemical reactions and are commonly found in compounds such as salts.

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  • 3. 

    A negatively charged ion is called a __________.

    Explanation
    A negatively charged ion is called an anion. Anions are formed when an atom gains one or more electrons, resulting in a negative charge. The term "anion" is derived from the Greek word "anienai," which means "to go up." Anions are attracted to positively charged ions, known as cations, in order to achieve a stable electron configuration. The three variations of the term "anion" in the answer (anion, ANION, Anion) all refer to the same concept of a negatively charged ion.

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  • 4. 

    Under normal conditions, what are hydrogen and oxygen?

    • Colourless and odorless gases

    • Metalloids

    • Liquids

    • Metals

    Correct Answer
    A. Colourless and odorless gases
    Explanation
    Under normal conditions, hydrogen and oxygen exist as colourless and odorless gases. This means that they do not have any distinct color or smell. Hydrogen and oxygen are both essential elements that are commonly found in the Earth's atmosphere. They are important for various chemical reactions and are widely used in industries and everyday life.

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  • 5. 

    On the right side of the periodic table, these elements are mainly ________.

    • Non-metals

    • Metals

    • Good conductors

    • Lustrous

    Correct Answer
    A. Non-metals
    Explanation
    On the right side of the periodic table, the elements are mainly non-metals. This is because non-metals tend to have higher electronegativity values and gain electrons easily. They are typically poor conductors of heat and electricity and have dull or non-lustrous appearances. This is in contrast to metals, which are found on the left side of the periodic table and are good conductors of heat and electricity, as well as being lustrous in appearance.

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  • 6. 

    Elements in group 18 are known as ___________.

    • The noble/inert gases

    • Metalloids

    • Metals

    • Transition metals

    Correct Answer
    A. The noble/inert gases
    Explanation
    The elements in group 18 are known as the noble/inert gases. This group includes helium, neon, argon, krypton, xenon, and radon. These gases have a full outer electron shell, making them stable and unreactive. They are often used in lighting, lasers, and as a protective gas in various industries.

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  • 7. 

    On the left side of the periodic table, these elements are mainly ________.

    • Metals

    • Non-metals

    • Negative ions

    • Anions

    Correct Answer
    A. Metals
    Explanation
    On the left side of the periodic table, the elements are mainly metals. This is because the left side of the periodic table consists of elements that have a tendency to lose electrons and form positive ions. These elements are typically shiny, good conductors of heat and electricity, and are malleable and ductile. They also have low ionization energies and low electronegativities, which make them more likely to give up electrons and form positive ions.

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  • 8. 

    A ion is ___________.

    • A charged atom or group

    • A neutral atom or group

    • A diagram of an atom

    • A compound

    Correct Answer
    A. A charged atom or group
    Explanation
    An ion is a charged atom or group because it has gained or lost electrons, resulting in an unequal number of protons and electrons. This imbalance creates a positive or negative charge, making the ion either positively or negatively charged.

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  • 9. 

    In the periodic table, elements ordered vertically, by the similarity of their properties are organized in their ________.

    • Groups/families

    • Periods

    • Elements

    • Atomic numbers

    Correct Answer
    A. Groups/families
    Explanation
    In the periodic table, elements are organized in groups or families based on the similarity of their properties. This means that elements within the same group or family share similar chemical and physical characteristics. For example, elements in Group 1 (the alkali metals) all have similar reactivity and tend to form +1 ions. Similarly, elements in Group 17 (the halogens) all have similar reactivity and tend to form -1 ions. Therefore, the correct answer is "groups/families".

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  • 10. 

    Elements in group 2 of the periodic table are known as ____________.

    • Alkaline metals

    • Alkaline earth metals

    • Halogens

    • Metalloids

    Correct Answer
    A. Alkaline earth metals
    Explanation
    Group 2 elements in the periodic table are known as alkaline earth metals. These elements include beryllium, magnesium, calcium, strontium, barium, and radium. They are called alkaline earth metals because they are less reactive than the alkali metals in Group 1 but still have similar properties. Alkaline earth metals are shiny, silvery-white metals that are relatively soft and have low melting points. They are good conductors of electricity and are commonly found in minerals such as limestone and gypsum.

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  • 11. 

    The _______ model, shows the atom's nucleus, surrounded by electrons in different energy levels/shells.

    • Bohr

    • Rutherford

    • Thomson

    • Dalton

    Correct Answer
    A. Bohr
    Explanation
    The Bohr model is a representation of the atom that shows the nucleus at the center, with electrons orbiting in different energy levels or shells. This model was proposed by Niels Bohr in 1913 and it was a significant development in understanding atomic structure. The Bohr model successfully explained the stability of atoms and the emission and absorption of light by atoms.

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  • 12. 

    Elements located on the periodic table near the dark "staircase" are also known as ________.

    • Metalloids

    • Metals

    • Non-metals

    • Noble gases

    Correct Answer
    A. Metalloids
    Explanation
    Elements located near the dark "staircase" on the periodic table are known as metalloids. Metalloids are elements that exhibit properties of both metals and non-metals. They have characteristics that are intermediate between metals and non-metals, making them unique. These elements are found along the diagonal line that separates metals from non-metals on the periodic table. Metalloids include elements such as boron, silicon, germanium, arsenic, antimony, and tellurium. They have properties that allow them to conduct electricity to some extent, but not as much as metals do.

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  • 13. 

    Elements in group ____ are called alkali metals.

    • 1

    • 2

    • 18

    • 17

    Correct Answer
    A. 1
    Explanation
    The elements in group 1 of the periodic table are called alkali metals. Alkali metals are highly reactive metals that are known for their ability to form strong bases when they react with water. They have one valence electron, which makes them highly reactive and eager to lose that electron to achieve a stable electron configuration. Some examples of alkali metals include lithium, sodium, and potassium.

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  • 14. 

    A ionic compound has ______.

    • Ionic bonds

    • Molecular bonds

    • Covalent bonds

    • Metal bonds

    Correct Answer
    A. Ionic bonds
    Explanation
    An ionic compound has ionic bonds. Ionic bonds are formed between ions of opposite charges, typically a metal cation and a nonmetal anion. These bonds are strong electrostatic attractions that hold the ions together in a crystal lattice structure. In an ionic compound, the atoms are not held together by sharing electrons, as in covalent bonds, or by a network of metal atoms, as in metallic bonds. Instead, the attraction between the positive and negative ions creates a strong bond that gives ionic compounds their unique properties, such as high melting and boiling points and the ability to conduct electricity when dissolved in water.

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  • 15. 

    Metals tend to ________ electrons.

    • Lose

    • Gain

    • Share

    Correct Answer
    A. Lose
    Explanation
    Metals tend to lose electrons. This is because metals have low electronegativity and a small number of valence electrons. Losing electrons allows metals to achieve a stable electron configuration, typically by achieving a full outer shell. This process forms positively charged ions known as cations. The tendency of metals to lose electrons is the basis for their reactivity and ability to form ionic bonds with non-metals.

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  • 16. 

    Non-metals tend to ________ electrons. 

    • Gain

    • Lose

    • Share

    Correct Answer
    A. Gain
    Explanation
    Non-metals tend to gain electrons. This is because non-metals have a higher electronegativity compared to metals, which means they have a greater attraction for electrons. By gaining electrons, non-metals can achieve a stable electron configuration similar to that of a noble gas, which makes them more stable and less reactive.

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  • 17. 

    In the periodic table, elements ordered horizontally, by their atoms number are organized in their _______.

    • Periods

    • Groups/families

    • Charges

    • Alphabetical order

    Correct Answer
    A. Periods
    Explanation
    In the periodic table, elements are organized horizontally in rows called periods. Each period represents a different energy level or shell in which the electrons of the elements are arranged. The number of the period corresponds to the highest energy level occupied by electrons in that row. Therefore, the correct answer is "periods".

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  • 18. 

    Elements in group ____ are known as "halogens".

    • 18

    • 16

    • 17

    • 3

    Correct Answer
    A. 17
    Explanation
    The elements in group 17 are known as "halogens". This is because these elements have similar chemical properties, including their tendency to form salts and react with metals to form compounds. The group 17 elements include fluorine, chlorine, bromine, iodine, and astatine.

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  • 19. 

    A molecular compound has _________.

    • Covalent bonds

    • Ionic bonds

    • Metals

    • Gases

    Correct Answer
    A. Covalent bonds
    Explanation
    A molecular compound has covalent bonds. Covalent bonds occur when two atoms share electrons in order to achieve a stable electron configuration. In molecular compounds, such as water (H2O) or methane (CH4), the atoms are held together by covalent bonds. This type of bonding is typically found between nonmetals. Ionic bonds, on the other hand, occur between a metal and a nonmetal, where electrons are transferred rather than shared. Metals and gases are not characteristic of molecular compounds, as they have different bonding properties.

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  • 20. 

    According to the Bohr Model, elements in the same group/family have the same number of _________.

    • Valence electrons

    • Energy levels

    • Charges

    • Protons

    Correct Answer
    A. Valence electrons
    Explanation
    According to the Bohr Model, elements in the same group/family have the same number of valence electrons. This is because elements in the same group have similar electron configurations, meaning they have the same number of electrons in their outermost energy level. Valence electrons are the electrons in the outermost energy level of an atom, and they are responsible for the chemical properties of an element. Therefore, elements in the same group/family have similar chemical properties due to their same number of valence electrons.

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  • 21. 

    According to the Bohr Model, elements in the same period have the same number of________.

    • Energy levels/shells

    • Valence electrons

    • Bonds

    • Electrons

    Correct Answer
    A. Energy levels/shells
    Explanation
    According to the Bohr Model, elements in the same period have the same number of energy levels/shells. This means that the electrons in these elements are arranged in a similar pattern, with each energy level containing a specific number of electrons. The number of energy levels determines the overall size and complexity of an atom, and elements in the same period share similar atomic structures.

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  • 22. 

    __________ ions have names that end in "ide".

    • Non-metal

    • Metal

    • Liquid

    • Molecular

    Correct Answer
    A. Non-metal
    Explanation
    Non-metal ions have names that end in "ide" because non-metals tend to gain electrons to achieve a stable electron configuration. When a non-metal atom gains electrons, it forms a negatively charged ion, also known as an anion. The names of these anions are derived from the name of the non-metal element, with the ending "-ide" added. For example, chloride (Cl-) is the anion formed when chlorine gains an electron. This naming convention helps to distinguish non-metal ions from other types of ions, such as metal cations.

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  • 23. 

    A _______ is the arrangement of ions in a pattern of an ionic compound.

    • Crystal lattice

    • Bond

    • Electron

    • Dot diagram

    Correct Answer
    A. Crystal lattice
    Explanation
    A crystal lattice refers to the regular arrangement of ions in an ionic compound. In an ionic compound, positive and negative ions are attracted to each other and form a repeating pattern called a crystal lattice. This arrangement is responsible for the characteristic properties of ionic compounds, such as their high melting and boiling points, brittleness, and ability to conduct electricity when dissolved in water.

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  • 24. 

    The physical properties, chemical hazards, handling and disposal of a chemical, first-aid procedures and emergency contact info are all located on the______.

    • MSDS

    • WHMIS

    • Supplier Label

    • Supplier Label and MSDS

    Correct Answer
    A. MSDS
    Explanation
    The correct answer is MSDS. MSDS stands for Material Safety Data Sheet, which is a document that provides detailed information about the physical and chemical properties of a chemical, as well as any hazards associated with its use, handling, and disposal. It also includes first-aid procedures and emergency contact information. Therefore, all the information mentioned in the question can be found on the MSDS.

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  • 25. 

    A __________ is when atoms act as if they were from different groups sharing electrons.

    • Molecule

    • Ion

    • Compound

    • Element

    Correct Answer
    A. Molecule
    Explanation
    A molecule is formed when atoms from different groups come together and share electrons. In a molecule, the atoms behave as if they belong to different groups, thereby exhibiting characteristics of both groups. This sharing of electrons allows the atoms to form stable bonds and create a distinct entity with its own unique properties. Therefore, a molecule is the correct answer as it best describes the situation where atoms act as if they were from different groups while sharing electrons.

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  • 26. 

    What are the 3 ways WHMIS notifies workers about the chemical they're handling?

    • Informative labels written in both English and French

    • Has MSDS

    • Workers must pass an education program

    • Has the supplier's emergency contact info

    • Has 8 different symbols

    • Informs you on the first-aid measures

    Correct Answer(s)
    A. Informative labels written in both English and French
    A. Has MSDS
    A. Workers must pass an education program
    Explanation
    WHMIS (Workplace Hazardous Materials Information System) notifies workers about the chemicals they are handling through three ways. Firstly, informative labels are provided on the chemical containers, which are written in both English and French to ensure clear understanding. Secondly, the chemicals have Material Safety Data Sheets (MSDS) which provide detailed information about the hazards and safety precautions. Lastly, workers are required to pass an education program to ensure they have the necessary knowledge and understanding of the chemicals they are handling. These three methods aim to effectively communicate the hazards and safety measures associated with the chemicals to protect the workers' health and safety.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 18, 2012
    Quiz Created by
    Smartiecheez
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