Question 1

Which of the following elements is a halogen?

Accepted Answer

A) Ne 
B) I 
C) O 
D) Mg 
E) K 
A) Ne 
B) I 
C) O 
D) Mg 
E) K B

Question 2

How many electrons are in arsenic?

Accepted Answer

A) 33 
B) 41 
C) 42 
D) 41.9 
E) 75 
A) 33 
B) 41 
C) 42 
D) 41.9 
E) 75 A

Question 3

Which of the following elements is a main-group metal?

Accepted Answer

A) Si 
B) Sm 
C) W 
D) Pb 
E) Ge 
A) Si 
B) Sm 
C) W 
D) Pb 
E) Ge D

Question 4

When forming an ion, iodine, I, will ________ electron(s).

Accepted Answer

A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two 
A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two

Question 5

Describe the difference between ions and isotopes.

Accepted Answer

Ions have the loss o

Question 6

Calculate the mass (in g)of 1.9 × 1024 atoms of Pb.

Accepted Answer

A) 3.9 × 102 g 
B) 2.4 × 102 g 
C) 3.2 × 102 g 
D) 1.5 × 102 g 
E) 6.5 × 102 g 
A) 3.9 × 102 g 
B) 2.4 × 102 g 
C) 3.2 × 102 g 
D) 1.5 × 102 g 
E) 6.5 × 102 g

Question 7

Identify a cation.

Accepted Answer

A) An atom that has lost (an)electron(s). 
B) An atom that has gained (an)electron(s). 
C) An atom that has lost (a)proton(s). 
D) An atom that has gained (a)proton(s). 
A) An atom that has lost (an)electron(s). 
B) An atom that has gained (an)electron(s). 
C) An atom that has lost (a)proton(s). 
D) An atom that has gained (a)proton(s).

Question 8

Which of the following elements is a metal?

Accepted Answer

A) As 
B) C 
C) I 
D) Sn 
E) Se 
A) As 
B) C 
C) I 
D) Sn 
E) Se

Question 9

The atomic number is equal to the number of ________.

Accepted Answer

The answer of The atomic number is equal to the...

Question 10

When forming an ion, beryllium, Be, will ________ electron(s).

Accepted Answer

A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two 
A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two

Question 11

When forming an ion, sulfur, S, will normally ________ electron(s).

Accepted Answer

A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two 
A) gain one 
B) gain two 
C) gain three 
D) lose one 
E) lose two

Question 12

How many atoms are in 1.00 kg of copper?

Accepted Answer

A) 3.83 × 1029 atoms 
B) 3.83 × 1022 atoms 
C) 15.74 atoms 
D) 2.61 × 10-23 atoms 
E) 9.48 × 1024 atoms 
A) 3.83 × 1029 atoms 
B) 3.83 × 1022 atoms 
C) 15.74 atoms 
D) 2.61 × 10-23 atoms 
E) 9.48 × 1024 atoms

Question 13

Calculate the atomic mass of silver if silver has two naturally occurring isotopes with the following masses and natural abundances: 
Ag-107 106.90509 amu 51.84%
Ag-109 108.90476 amu 48.46%

Accepted Answer

A) 107.90 amu 
B) 108.00 amu 
C) 107.79 amu 
D) 108.32 amu 
E) 108.19 amu 
A) 107.90 amu 
B) 108.00 amu 
C) 107.79 amu 
D) 108.32 amu 
E) 108.19 amu

Question 14

Which of the following statements is TRUE?

Accepted Answer

A) Cations are usually larger than their corresponding atom. 
B) Metals tend to form cations. 
C) Atoms are usually larger than their corresponding anion. 
D) The halogens tend to form 1+ ions. 
E) Nonmetals tend to lose electrons. 
A) Cations are usually larger than their corresponding atom. 
B) Metals tend to form cations. 
C) Atoms are usually larger than their corresponding anion. 
D) The halogens tend to form 1+ ions. 
E) Nonmetals tend to lose electrons.

Question 15

How many protons (p)and neutrons (n)are in an atom of  ?

Accepted Answer

A) 38 p, 52 n 
B) 38 p, 90 n 
C) 52 p, 38 n 
D) 90 p, 38 n 
A) 38 p, 52 n 
B) 38 p, 90 n 
C) 52 p, 38 n 
D) 90 p, 38 n

Question 16

If 26.0 g of water, H2O, is found to contain 2.9 g of hydrogen and 23.1 g of oxygen, how much hydrogen and oxygen, in grams, is contained in 32.0 g of water?

Accepted Answer

A) 3.6 g hydrogen and 28.4 g oxygen 
B) 28.4 g hydrogen and 3.6 g oxygen 
C) 26.0 g hydrogen and 28.4 g oxygen 
D) 3.6 g hydrogen and 2.9 g oxygen 
E) 2.9 g hydrogen and 28.4 g oxygen 
A) 3.6 g hydrogen and 28.4 g oxygen 
B) 28.4 g hydrogen and 3.6 g oxygen 
C) 26.0 g hydrogen and 28.4 g oxygen 
D) 3.6 g hydrogen and 2.9 g oxygen 
E) 2.9 g hydrogen and 28.4 g oxygen

Question 17

Identify the description of an atom.

Accepted Answer

A) neutrons and electrons in nucleus; protons in orbitals 
B) neutrons in nucleus; protons and electrons in orbitals 
C) protons and neutrons in nucleus; electrons in orbitals 
D) protons and electrons in nucleus; neutrons in orbitals 
E) electrons in nucleus; protons and neutrons in orbitals 
A) neutrons and electrons in nucleus; protons in orbitals 
B) neutrons in nucleus; protons and electrons in orbitals 
C) protons and neutrons in nucleus; electrons in orbitals 
D) protons and electrons in nucleus; neutrons in orbitals 
E) electrons in nucleus; protons and neutrons in orbitals

Question 18

Which of the following elements is a nonmetal?

Accepted Answer

A) Zn 
B) Cs 
C) Ca 
D) Co 
E) P 
A) Zn 
B) Cs 
C) Ca 
D) Co 
E) P

Question 19

What is the atomic mass for tin?

Accepted Answer

A) 47.87 
B) 50 
C) 118.71 
D) 22 
A) 47.87 
B) 50 
C) 118.71 
D) 22

Question 20

Which of the following elements has chemical properties similar to tellurium?

Accepted Answer

A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur 
A) fluorine 
B) hydrogen 
C) nitrogen 
D) sulfur

Exam 2: Atoms and Elements

Which of the following elements is a halogen?

How many electrons are in arsenic?

Which of the following elements is a main-group metal?

When forming an ion, iodine, I, will ________ electron(s).

Describe the difference between ions and isotopes.

Calculate the mass (in g)of 1.9 × 1024 atoms of Pb.

Identify a cation.

Which of the following elements is a metal?

The atomic number is equal to the number of ________.

When forming an ion, beryllium, Be, will ________ electron(s).

When forming an ion, sulfur, S, will normally ________ electron(s).

How many atoms are in 1.00 kg of copper?

Calculate the atomic mass of silver if silver has two naturally occurring isotopes with the following masses and natural abundances: Ag-107 106.90509 amu 51.84% Ag-109 108.90476 amu 48.46%

Which of the following statements is TRUE?

How many protons (p)and neutrons (n)are in an atom of ?

If 26.0 g of water, H2O, is found to contain 2.9 g of hydrogen and 23.1 g of oxygen, how much hydrogen and oxygen, in grams, is contained in 32.0 g of water?

Identify the description of an atom.

Which of the following elements is a nonmetal?

What is the atomic mass for tin?

Which of the following elements has chemical properties similar to tellurium?

Units of Measurement for Physical and Chemical Change

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters

Calculate the mass (in g)of 1.9 × 10²⁴ atoms of Pb.

If 26.0 g of water, H₂O, is found to contain 2.9 g of hydrogen and 23.1 g of oxygen, how much hydrogen and oxygen, in grams, is contained in 32.0 g of water?