Atoms And Molecules Quiz
This quiz is designed to test you knowledge of atoms and molecules.
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Questions and Answers
- 1.
What are atoms made of?
- A.
Protons, neutrons, and electricity
- B.
Peanut butter and jelly
- C.
Plasma
- D.
Protons, neutrons, and electrons
Correct Answer
D. Protons, neutrons, and electronsExplanation
Atoms are the basic building blocks of matter. They are made up of three main components: protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. Protons and neutrons are located in the nucleus at the center of the atom, while electrons orbit around the nucleus. This combination of protons, neutrons, and electrons determines the properties and behavior of different elements. Peanut butter and jelly and plasma are not components of atoms, so they are not the correct answer.Rate this question:
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- 2.
Protons have a positive charge, neutrons have a neutral charge, and electrons have a _________________ charge.
- A.
Negative
- B.
Equal
- C.
Quark
- D.
Very nice
Correct Answer
A. NegativeExplanation
Protons have a positive charge, neutrons have a neutral charge, and electrons have a negative charge. This is because electrons are negatively charged particles that orbit around the nucleus of an atom.Rate this question:
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- 3.
What is located in the nucleus of an atom?
- A.
Protons and neutrons
- B.
Electrons
- C.
Protons and electons
- D.
Ions
Correct Answer
A. Protons and neutronsExplanation
The nucleus of an atom contains protons and neutrons. Protons have a positive charge, while neutrons have no charge. Electrons, on the other hand, are located outside the nucleus in electron shells and have a negative charge. Ions are charged atoms or molecules that have gained or lost electrons. Therefore, the correct answer is protons and neutrons.Rate this question:
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- 4.
The electrons in atoms move close to the speed of light.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
According to the theory of relativity, the speed of light is the maximum speed at which anything can travel. Electrons, being particles with mass, can never reach the speed of light. However, they can approach it, especially in certain high-energy situations such as particle accelerators. Therefore, it is true that electrons in atoms can move close to the speed of light, but they can never actually reach or exceed it.Rate this question:
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- 5.
Molecules are groups of atoms that are __________ together.
- A.
Glued
- B.
Bonded
- C.
Stapled
- D.
Cooked
Correct Answer
B. BondedExplanation
Molecules are groups of atoms that are bonded together. Bonding refers to the chemical process in which atoms are held together by sharing or transferring electrons. This interaction between atoms creates a stable structure known as a molecule. Gluing, stapling, and cooking are not appropriate terms to describe the process of atoms coming together to form molecules.Rate this question:
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- 6.
What are elements made of?
- A.
Silly putty
- B.
Atoms
- C.
Molecules
- D.
Electricity
Correct Answer
B. AtomsExplanation
Atoms are the fundamental building blocks of all matter. They are the smallest unit of a chemical element that retains the properties of that element. Atoms combine together to form molecules, which are groups of atoms held together by chemical bonds. While silly putty and electricity are not elements themselves, they can involve the movement or interaction of atoms or molecules. However, the correct answer to the question is atoms, as they are the basic constituents of all elements.Rate this question:
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- 7.
Matter is made up of particles so small that they cannot be cut in half. Those particles are called atoms. Atoms are derived from the Greek word atomos which means __________________.
- A.
Indivisible
- B.
Blue
- C.
Electric
- D.
Molecule
Correct Answer
A. IndivisibleExplanation
Atoms are derived from the Greek word atomos which means "indivisible". This is because atoms are the smallest particles of matter that cannot be cut in half or divided further. The term "indivisible" accurately describes the nature of atoms, as they are the fundamental building blocks of matter and cannot be broken down into smaller parts.Rate this question:
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- 8.
______________ are the smallest particle of an element that retain its chemical properties.
- A.
Protons
- B.
Neutrons
- C.
Electons
- D.
Atoms
Correct Answer
D. AtomsExplanation
Atoms are the smallest particle of an element that retain its chemical properties. They are composed of protons, neutrons, and electrons. Protons and neutrons are located in the nucleus of the atom, while electrons orbit around the nucleus. Atoms are the building blocks of matter and combine to form molecules. They cannot be broken down further without losing their chemical properties, making them the smallest unit that retains the characteristics of an element.Rate this question:
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- 9.
Water is an atom.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Water is not an atom, but a molecule. An atom is the smallest unit of a chemical element, while a molecule is a combination of two or more atoms. Water is composed of two hydrogen atoms bonded to one oxygen atom, forming the molecule H2O. Therefore, the statement that water is an atom is false.Rate this question:
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- 10.
Atoms are ridiculously small. If the nucleus of an atom were the size of an apple, the electrons would be 5 football fields away. This means that matter is mostly made up of empty space.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement accurately describes the size of atoms and the distance between the nucleus and electrons. It explains that if the nucleus of an atom is compared to the size of an apple, the electrons would be 5 football fields away, indicating that atoms are mostly empty space. Therefore, the correct answer is true.Rate this question:
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- 11.
Atoms are ridiculously small. About how many atoms could fit across the dot in this image?
- A.
23
- B.
7
- C.
10 million
- D.
337 billion
Correct Answer
C. 10 millionExplanation
The question asks about the number of atoms that could fit across the dot in the image. Since atoms are incredibly small, it is reasonable to assume that a large number of atoms could fit in such a small space. Out of the given options, 10 million is the most plausible answer as it represents a significantly large quantity of atoms that can fit across the dot.Rate this question:
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- 12.
According to the "atomic theory of matter" developed by John Dalton in the 1800's, every atom of a given type of element is exactly the same.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
According to John Dalton's atomic theory of matter, which was developed in the 1800s, every atom of a given element is exactly the same. This means that all atoms of a specific element have the same number of protons, neutrons, and electrons, as well as the same chemical properties. This theory laid the foundation for our understanding of the composition and behavior of matter at the atomic level.Rate this question:
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- 13.
Scientists can see gold atoms using a microscope.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Gold atoms are too small to be seen using a microscope. Microscopes are limited by their resolution, which is the ability to distinguish two separate objects. The size of gold atoms is on the order of a few angstroms, which is much smaller than the resolution of most microscopes. To visualize gold atoms, scientists use advanced techniques such as transmission electron microscopy or scanning tunneling microscopy. Therefore, the statement that scientists can see gold atoms using a microscope is false.Rate this question:
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- 14.
Atoms must contain postive and negative charges that cancel each other out.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Atoms must contain positive and negative charges that cancel each other out in order to be electrically neutral. This is because atoms are made up of protons, which have a positive charge, and electrons, which have a negative charge. The number of protons in an atom determines its atomic number and defines the element, while the number of electrons balances out the positive charge of the protons, resulting in a neutral atom. Therefore, the statement is true.Rate this question:
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.jpg "Protons have a positive charge, neutrons have a neutral charge, and electrons have a _________________ charge.")
.jpg "Atoms are ridiculously small. About how many atoms could fit across the dot in this image?")
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Sep 02, 2024Quiz Edited by
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Oct 19, 2012Quiz Created by
Kevin Aulow
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