Names & Chemical Formulas Of Select Multivalent Elements And Polyatomic Ions
Naming the valences, classical name, and IUPAC name of the elements iron, copper, tin, lead, mercury, and hydrogen.
Naming the formula for the polyatomic ions sulfate, carbonate, nitrate, chlorate, phosphate, hydroxide, and ammonium.
Questions and Answers
- 1.
Name the valences of mercury, as well as their respective classical names.
Explanation
Mercury can exhibit two different valences, 1+ and 2+. When it has a valence of 1+, it is referred to as mercurous. When it has a valence of 2+, it is called mercuric. These classical names are used to distinguish between the different oxidation states of mercury in chemical compounds.Rate this question:
- 2.
Name the valences of tin, as well as their respective classical names.
Explanation
The valences of tin are 2+ and 4+. The classical names for these valences are stannous and stannic respectively.Rate this question:
- 3.
Name the valences of copper, as well as their respective classical names.
Explanation
Copper can exhibit two different valences: 1+ and 2+. When copper has a valence of 1+, it is referred to as cuprous. When copper has a valence of 2+, it is referred to as cupric.Rate this question:
- 4.
Name the valences of iron, as well as their respective classical names.
Explanation
The valences of iron are 2+ and 3+. These valences are known by their classical names, which are ferrous and ferric respectively.Rate this question:
- 5.
Name the valences of hydrogen, as well as their respective classical names and IUPAC names.
Explanation
The valences of hydrogen are 1+ and 1-. The classical name for hydrogen with a valence of 1+ is hydrogen, and its IUPAC name is also hydrogen. The classical name for hydrogen with a valence of 1- is hydride, and its IUPAC name is also hydride.Rate this question:
- 6.
Name the valences of lead, as well as their respective classical names.
Explanation
The valences of lead are 2+ and 4+. The classical names for these valences are plumbous for 2+ and plumbic for 4+.Rate this question:
- 7.
What is the chemical formula of sulfate?
Explanation
The chemical formula of sulfate is SO4 2-. This is because sulfate ion consists of one sulfur atom bonded to four oxygen atoms, with a charge of 2-. The formula indicates that there are four oxygen atoms surrounding the central sulfur atom, and the 2- charge indicates that the sulfate ion has gained two electrons, resulting in a negative charge.Rate this question:
- 8.
What is the formula of chlorate?
Explanation
The formula of chlorate is ClO3 1-. This is because chlorate is an ion that consists of one chlorine atom (Cl) and three oxygen atoms (O), with a charge of -1. The subscript 1 indicates that there is only one chlorate ion present.Rate this question:
- 9.
What is the formula of nitrate?
Explanation
The formula of nitrate is NO3 1-. This is because nitrate is a polyatomic ion composed of one nitrogen atom (N) and three oxygen atoms (O). The 1- superscript indicates that the nitrate ion has a charge of -1, meaning it has gained one electron.Rate this question:
- 10.
What is the formula of ammonium?
Explanation
The formula for ammonium is NH4 1+. This is because ammonium is a positively charged ion consisting of one nitrogen atom bonded to four hydrogen atoms. The +1 charge indicates that the ion has lost one electron and has a net positive charge.Rate this question:
- 11.
What is the formula of carbonate?
Explanation
The formula of carbonate is CO3 2-. This formula represents a carbonate ion, which consists of one carbon atom bonded to three oxygen atoms. The 2- charge indicates that the ion has a net charge of -2, meaning it has gained two extra electrons to achieve a stable configuration. The carbonate ion is commonly found in various compounds, such as calcium carbonate (CaCO3) found in limestone and coral reefs.Rate this question:
- 12.
What is the formula of hydroxide?
Explanation
The formula of hydroxide is OH 1-. This is because hydroxide is a polyatomic ion consisting of one oxygen atom and one hydrogen atom. The charge of hydroxide is -1, indicated by the superscript 1-. The formula OH represents this combination of atoms and charge, making it the correct answer.Rate this question:
- 13.
What is the formula of phosphate?
Explanation
The formula for phosphate is PO4 3-. Phosphate is an ion that consists of one phosphorus atom bonded to four oxygen atoms. The 3- charge indicates that the ion has a net charge of -3, which means it has gained three electrons to achieve stability. This formula is commonly used to represent the phosphate ion in chemical equations and reactions.Rate this question:
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Jan 23, 2023Quiz Edited by
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Mar 20, 2012Quiz Created by
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