Mixed Quiz On Nomenclature
Mixed Nomenclature: Honors ChemistryMonatomic and Polyatomic Ions, Ionic Compounds, Acids, Hydrocarbons, and Binary Covalent Compounds*Remember: Acids are ionic, and hydrocarbons are covalent!
Questions and Answers
- 1.
When written in words, transition metals require roman numerals.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Transition metals require roman numerals when written in words because they can have multiple oxidation states. The roman numerals indicate the specific oxidation state of the transition metal in a compound. This is necessary because transition metals can form compounds with different oxidation states, and the roman numerals help to distinguish between these different states.Rate this question:
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- 2.
Which of the following are true?
- A.
Arsenate has more oxygen atoms than sulfate.
- B.
Arsenate has a greater negative charge than sulfate.
- C.
When arsenate and aluminum bond, the chemical formula is AlAsO4.
- D.
Nitride and arsenate have the same charge.
Correct Answer(s)
B. Arsenate has a greater negative charge than sulfate.
C. When arsenate and aluminum bond, the chemical formula is AlAsO4.
D. Nitride and arsenate have the same charge. -
- 3.
Polyatomic ions with the prefix "bi" tend to have hydrogen atoms.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Polyatomic ions with the prefix "bi" tend to have hydrogen atoms because the prefix "bi" indicates the presence of two hydrogen atoms in the ion. This prefix is commonly used for ions such as bicarbonate (HCO3-) and bisulfate (HSO4-), which both contain hydrogen atoms. Therefore, the statement is true.Rate this question:
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- 4.
Which of the following are true?
- A.
Monatomic anions are usually gases.
- B.
Ionic metals tend to end with the suffix -ide.
- C.
Since ammonium's atoms are all gaseous, it is a binary covalent compound.
- D.
Almost all ionic compounds have metals
Correct Answer(s)
A. Monatomic anions are usually gases.
D. Almost all ionic compounds have metalsExplanation
Monatomic anions are usually gases because they are formed by gaining one or more electrons, resulting in a negatively charged ion with a smaller size. This smaller size allows the anion to have weaker intermolecular forces, leading to a lower boiling point and being more likely to exist as a gas. Almost all ionic compounds have metals because metals tend to lose electrons to form cations, while nonmetals tend to gain electrons to form anions. The attraction between the oppositely charged ions results in the formation of an ionic compound.Rate this question:
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- 5.
Which of the following lists correctly orders the anions from least amount of oxygen atoms to most?
- A.
Oxide, Acetate, Oxalate, Tartrate
- B.
Bromite, Hypobromite, Perbromate, Bromate
- C.
Hypochlorite, Chlorite, Perchlorate, Chlorate
- D.
Thiocyanate, Hypochlorite, Arsenate, Dichromate
Correct Answer
D. Thiocyanate, Hypochlorite, Arsenate, DichromateExplanation
The anions in the given list are ordered from least amount of oxygen atoms to most. Thiocyanate has only one oxygen atom, hypochlorite has two oxygen atoms, arsenate has three oxygen atoms, and dichromate has six oxygen atoms.Rate this question:
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- 6.
Fill in the blanks (even though the first blank is a Roman numeral, just write the number): The formula for zirconium (___) hypochlorite is Zr(ClO)___.
Correct Answer
2
II
twoExplanation
The formula for zirconium hypochlorite is Zr(ClO)2. In chemical formulas, Roman numerals are often used to indicate the charge of a specific element. In this case, the Roman numeral II indicates that the chlorine atom has a charge of -1, and since there are two chlorine atoms in the compound, the overall charge of the chlorine atoms is -2. Therefore, the zirconium atom must have a charge of +2 to balance the overall charge of the compound, resulting in the formula Zr(ClO)2. The word "two" is simply another way to represent the Roman numeral II.Rate this question:
- 7.
HIO4 is the name of the compound ________.
Correct Answer
Periodic acidExplanation
Periodic acid is a compound that has the chemical formula HIO4. Therefore, HIO4 is the name of the compound Periodic acid.Rate this question:
- 8.
The formula of __________ is S2O3 2-.
Correct Answer
ThiosulfateExplanation
Thiosulfate is a compound with the chemical formula S2O3 2-. This formula indicates that it contains two sulfur atoms (S) and three oxygen atoms (O), forming a polyatomic ion with a charge of 2-. Thiosulfate is commonly used in various chemical reactions and processes, such as photography, gold extraction, and as a reducing agent in analytical chemistry.Rate this question:
- 9.
The formula for non___ is C9H16
- A.
Ane
- B.
Ene
- C.
Yne
- D.
None of the above
Correct Answer
C. YneExplanation
The correct answer is "yne" because the formula C9H16 indicates that the compound is an alkyne. Alkynes are hydrocarbons that contain a triple bond between two carbon atoms. In this case, the compound has nine carbon atoms and sixteen hydrogen atoms, which matches the formula for an alkyne.Rate this question:
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- 10.
Group ___ elements like oxygen form ions with a charge of -2.
Correct Answer
16
sixteenExplanation
Group 16 elements, also known as the chalcogens, have six valence electrons. These electrons are located in the outermost energy level of the atom. In order to achieve a stable electron configuration, these elements tend to gain two electrons to fill their valence shell. By gaining two electrons, they form ions with a charge of -2. Therefore, the correct answer is 16 or sixteen, which represents the number of group 16 elements and their ability to form ions with a charge of -2.Rate this question:
- 11.
Group 13 elements like aluminum form ions with a charge of ___.
Correct Answer
+3
3+
Positive three
Three positiveExplanation
Group 13 elements, including aluminum, form ions with a charge of +3. This means that they lose three electrons to achieve a stable electron configuration. The options provided, "+3", "3+", "Positive three", and "Three positive" all convey the same meaning and correctly describe the charge of these ions.Rate this question:
- 12.
Name the compound: Sb2S5
Correct Answer
Antinomy (V) sulfideExplanation
The correct answer for the compound Sb2S5 is antimony (V) sulfide. This is because the compound consists of two antimony (Sb) atoms and five sulfur (S) atoms. The Roman numeral V in the name indicates that antimony has a +5 oxidation state in this compound. Therefore, the correct name for this compound is antimony (V) sulfide.Rate this question:
- 13.
Name the compound: NH4C2H3O2
Correct Answer
Ammonium acetateExplanation
The compound NH4C2H3O2 is named ammonium acetate. This is because it consists of the ammonium ion (NH4+) and the acetate ion (C2H3O2-). The ammonium ion is formed by the combination of ammonia (NH3) and a hydrogen ion (H+), while the acetate ion is formed by the combination of acetic acid (CH3COOH) and a hydroxide ion (OH-). Therefore, the compound NH4C2H3O2 is correctly named ammonium acetate.Rate this question:
- 14.
Write the formula for mercury (I). Use a space to separate the charge from the rest of the formula.
Correct Answer
Hg2 2+
Hg2^2+Explanation
The correct answer is Hg2 2+, Hg2^2+. The formula for mercury (I) is Hg2 2+ and Hg2^2+.Rate this question:
- 15.
Write the formula of the covalent compound that is not a hydrocarbon: lithium hydroxide; diphosphorus pentoxide; octyne
Correct Answer
P2O5Explanation
The correct answer is P2O5 because it represents the formula for diphosphorus pentoxide. Diphosphorus pentoxide is a covalent compound that consists of two phosphorus atoms bonded to five oxygen atoms. It is not a hydrocarbon because it does not contain any hydrogen or carbon atoms.Rate this question:
- 16.
Write the formula or name (based on which one it is) of the compound that is not an acid: H2Te; sodium tartrate
Correct Answer
Na2C4H4O6Explanation
The compound Na2C4H4O6 is sodium tartrate, which is not an acid. It is a salt formed from the reaction between a weak acid (tartaric acid) and a strong base (sodium hydroxide). Sodium tartrate is commonly used as a food additive and in the pharmaceutical industry. It is not acidic because it does not release hydrogen ions (H+) in water.Rate this question:
- 17.
Write the name of the ionic compound: Cu2S; PCl3
Correct Answer
Copper (I) sulfideExplanation
The given compound, Cu2S, consists of copper (Cu) and sulfur (S) ions. Copper can form two different ions, Cu+ and Cu2+, but since the compound is written as Cu2S, it indicates that copper is present in its +1 oxidation state. Therefore, the name of the compound is Copper (I) sulfide. PCl3 is not relevant to the name of the compound Cu2S.Rate this question:
- 18.
P4O6 is the formula for what compound?
Correct Answer
Tetraphosphorus hexoxideExplanation
P4O6 is the chemical formula for tetraphosphorus hexoxide. This compound consists of four phosphorus atoms and six oxygen atoms. The prefix "tetra-" indicates the presence of four phosphorus atoms, while "hex-" indicates the presence of six oxygen atoms. Therefore, the correct answer is tetraphosphorus hexoxide.Rate this question:
- 19.
What is the name of the compound with the formula Cr(MnO4)6?
Correct Answer
Chromium (VI) permanganateExplanation
The compound with the formula Cr(MnO4)6 is called Chromium (VI) permanganate. This name is derived from the elements present in the compound and their respective oxidation states. Chromium is in the +6 oxidation state, and permanganate is a polyatomic ion consisting of manganese in the +7 oxidation state. Therefore, the compound is named Chromium (VI) permanganate.Rate this question:
- 20.
What is the name of the compound with the formula CF4?
Correct Answer
Carbon tetrafluoride
Carbon tetraflorideExplanation
The correct answer is Carbon tetrafluoride. This compound has the chemical formula CF4, where C represents carbon and F represents fluorine. The prefix "tetra" indicates that there are four fluoride atoms bonded to the carbon atom. Therefore, the correct name for this compound is Carbon tetrafluoride. The option "Carbon tetrafloride" is incorrect as it misspells the word "fluoride".Rate this question:
- 21.
What is the chemical formula of silver phosphide?
Correct Answer
Ag3PExplanation
The chemical formula of silver phosphide is Ag3P. This indicates that each molecule of silver phosphide contains three atoms of silver (Ag) and one atom of phosphorus (P). The subscript 3 in front of Ag indicates that there are three Ag atoms present in the compound.Rate this question:
- 22.
Write the formula of calcium arsenite.
Correct Answer
Ca3(AsO3)2Explanation
The formula for calcium arsenite is Ca3(AsO3)2. This indicates that there are three calcium atoms (Ca) bonded to two arsenite ions (AsO3). The arsenite ion consists of one arsenic atom (As) bonded to three oxygen atoms (O), and there are two of these ions in the compound. Therefore, the formula correctly represents the composition of calcium arsenite.Rate this question:
- 23.
Write the name of the ionic compound: P4O10; HCN
Correct Answer
Hydrocyanic acidExplanation
The given question is asking for the name of the ionic compound P4O10 and HCN. However, the answer provided, "Hydrocyanic acid," is not the name of an ionic compound. Hydrocyanic acid (HCN) is a covalent compound, not an ionic compound. Therefore, the answer is incorrect.Rate this question:
- 24.
The formula for hypobromous acid is...
Correct Answer
HBrOExplanation
Hypobromous acid is a weak acid that consists of hydrogen (H), bromine (Br), and oxygen (O). The formula for hypobromous acid is HBrO, which indicates that it contains one hydrogen atom, one bromine atom, and one oxygen atom. This formula accurately represents the composition of hypobromous acid.Rate this question:
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Mar 20, 2023Quiz Edited by
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Nov 23, 2014Quiz Created by
Matthew Schwartz
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