Question 1

Write the formula for the acid formed from the permanganate anion, and then name the acid.

Accepted Answer

HMnO₄, perm

Question 2

A phosphide ion has:

Accepted Answer

A) 10 protons and 13 electrons 
B) 12 protons and 15 electrons 
C) 15 protons and 15 electrons 
D) 15 protons and 18 electrons 
E) 18 protons and 21 electrons 
A) 10 protons and 13 electrons 
B) 12 protons and 15 electrons 
C) 15 protons and 15 electrons 
D) 15 protons and 18 electrons 
E) 18 protons and 21 electrons

Question 3

What are the seven elements that naturally occur as diatomic molecules?

Accepted Answer

Hydrogen, nitrogen,

Question 4

Which one of the following elements is most likely to form a 2- ion?

Accepted Answer

A) scandium 
B) selenium 
C) silicon 
D) strontium 
E) iodine 
A) scandium 
B) selenium 
C) silicon 
D) strontium 
E) iodine

Question 5

The Stock system name for CrO3 is:

Accepted Answer

A) chromium oxide 
B) chromium(II)oxide 
C) chromium(III)trioxide 
D) chromium(III)oxide 
E) chromium(VI)oxide 
A) chromium oxide 
B) chromium(II)oxide 
C) chromium(III)trioxide 
D) chromium(III)oxide 
E) chromium(VI)oxide

Question 6

Use the following to answer questions  
-Use the periodic table above to show where the metalloids are located.

Accepted Answer

The answer of Use the following to answer questions ...

Question 7

Consider a neutral atom of the following isotope of sulfur:   How many electrons, protons, and neutrons does the atom contain?

Accepted Answer

16 electro

Question 8

Use the following to answer questions  
-Use the periodic table above to show where the alkaline earth metals are located.

Accepted Answer

The answer of Use the following to answer questions ...

Question 9

What are the three subatomic particles that are important in chemistry?

Accepted Answer

electrons,

Question 10

Name the following binary compound: NaH.

Accepted Answer

The answer of Name the following binary compound: NaH....

Question 11

The elements in a column of the periodic table are known as

Accepted Answer

A) metalloids. 
B) a period. 
C) noble gases. 
D) a group. 
E) nonmetals. 
A) metalloids. 
B) a period. 
C) noble gases. 
D) a group. 
E) nonmetals.

Question 12

Write the names and symbols of two metals and two nonmetals.Identify which are the metals and which are the nonmetals.

Accepted Answer

(Answers will vary.)

Question 13

Zircon is a mineral with the empirical formula ZrSiO4. If all the zirconium is 90Zr, all the silicon is 28Si, and all the oxygen is 16O, what mass of oxygen is present in 10.g of zircon?

Accepted Answer

A) 0.88 g 
B) 1.2 g 
C) 1.8 g 
D) 3.5 g 
E) 5.4 g 
A) 0.88 g 
B) 1.2 g 
C) 1.8 g 
D) 3.5 g 
E) 5.4 g

Question 14

The correct name for Ba(OH)2 is

Accepted Answer

A) barium hydrogen oxide. 
B) boron hydroxide. 
C) barium hydrate. 
D) beryllium hydroxide. 
E) barium hydroxide. 
A) barium hydrogen oxide. 
B) boron hydroxide. 
C) barium hydrate. 
D) beryllium hydroxide. 
E) barium hydroxide.

Question 15

Atoms of the same element with different mass numbers are called

Accepted Answer

A) ions. 
B) neutrons. 
C) allotropes. 
D) chemical families. 
E) isotopes. 
A) ions. 
B) neutrons. 
C) allotropes. 
D) chemical families. 
E) isotopes.

Question 16

An iron(II)ion has:

Accepted Answer

A) 24 electrons and a charge of 2+ 
B) 24 electrons and a charge of 2- 
C) 26 electrons and a charge of 2+ 
D) 28 electrons and a charge of 2+ 
E) 28 electrons and a charge of 2- 
A) 24 electrons and a charge of 2+ 
B) 24 electrons and a charge of 2- 
C) 26 electrons and a charge of 2+ 
D) 28 electrons and a charge of 2+ 
E) 28 electrons and a charge of 2-

Question 17

Name the following binary compound: MnCl2.

Accepted Answer

manganese(

Question 18

Two isotopes of an element differ in their

Accepted Answer

A) symbol. 
B) atomic number. 
C) atomic mass. 
D) number of protons. 
E) number of electrons. 
A) symbol. 
B) atomic number. 
C) atomic mass. 
D) number of protons. 
E) number of electrons.

Question 19

Name the following ternary compound: Na3PO4.

Accepted Answer

Question 20

The atomic number is equal to the number of protons in the nucleus of each atom of an element.

Accepted Answer

A) True 
 B)False

Exam 2: Atoms, Molecules, and Ions

Write the formula for the acid formed from the permanganate anion, and then name the acid.

A phosphide ion has:

What are the seven elements that naturally occur as diatomic molecules?

Which one of the following elements is most likely to form a 2- ion?

The Stock system name for CrO3 is:

Use the following to answer questions -Use the periodic table above to show where the metalloids are located.

Consider a neutral atom of the following isotope of sulfur: How many electrons, protons, and neutrons does the atom contain?

Use the following to answer questions -Use the periodic table above to show where the alkaline earth metals are located.

What are the three subatomic particles that are important in chemistry?

Name the following binary compound: NaH.

The elements in a column of the periodic table are known as

Write the names and symbols of two metals and two nonmetals.Identify which are the metals and which are the nonmetals.

Zircon is a mineral with the empirical formula ZrSiO4. If all the zirconium is 90Zr, all the silicon is 28Si, and all the oxygen is 16O, what mass of oxygen is present in 10.g of zircon?

The correct name for Ba(OH)2 is

Atoms of the same element with different mass numbers are called

An iron(II)ion has:

Name the following binary compound: MnCl2.

Two isotopes of an element differ in their

Name the following ternary compound: Na3PO4.

The atomic number is equal to the number of protons in the nucleus of each atom of an element.

Chemistry: The Study of Change

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

The Stock system name for CrO₃ is:

Zircon is a mineral with the empirical formula ZrSiO₄. If all the zirconium is ⁹⁰Zr, all the silicon is ²⁸Si, and all the oxygen is ¹⁶O, what mass of oxygen is present in 10.g of zircon?

The correct name for Ba(OH)₂ is

Name the following binary compound: MnCl₂.

Name the following ternary compound: Na₃PO₄.