Question 1

Which of the following underlined items is not an extensive property?

Accepted Answer

A) the color of a cobalt compound 
B) the diameter of a gold nugget 
C) the mass of a diamond 
D) the volume of a glucose solution 
A) the color of a cobalt compound 
B) the diameter of a gold nugget 
C) the mass of a diamond 
D) the volume of a glucose solution

Question 2

The compound,ClO ,is named

Accepted Answer

A) chlorite. 
B) hypochlorite. 
C) chlorine monoxide. 
D) chlorine (II)oxide. 
A) chlorite. 
B) hypochlorite. 
C) chlorine monoxide. 
D) chlorine (II)oxide.

Question 3

The compound,NO2,is named

Accepted Answer

A) nitrate. 
B) nitrite. 
C) nitrogen dioxide. 
D) nitrogen(IV)oxide. 
A) nitrate. 
B) nitrite. 
C) nitrogen dioxide. 
D) nitrogen(IV)oxide.

Question 4

What group of elements does the shaded area in the following periodic table indicate?

Accepted Answer

A) gases 
B) metals 
C) nonmetals 
D) semimetals 
A) gases 
B) metals 
C) nonmetals 
D) semimetals

Question 5

Which element is most chemically similar to the element indicated by the letter E in the following periodic table?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 6

In which set do all elements tend to form cations in binary ionic compounds?

Accepted Answer

A) Li,B,O 
B) Mg,Cr,Pb 
C) N,As,Bi 
D) O,F,Cl 
A) Li,B,O 
B) Mg,Cr,Pb 
C) N,As,Bi 
D) O,F,Cl

Question 7

Which is most likely to form a binary oxide with the formula M4O10 (where M = element A,B,C,or D)?

Accepted Answer

A) element A 
B) element B 
C) element C 
D) element D 
A) element A 
B) element B 
C) element C 
D) element D

Question 8

What type of bonding is found in the compound PCl5?

Accepted Answer

A) covalent bonding 
B) hydrogen bonding 
C) ionic bonding 
D) metallic bonding 
A) covalent bonding 
B) hydrogen bonding 
C) ionic bonding 
D) metallic bonding

Question 9

How many electrons are in the ion,SO42-?

Accepted Answer

A) 26 
B) 46 
C) 48 
D) 50 
A) 26 
B) 46 
C) 48 
D) 50

Question 10

In the following drawings,shaded spheres represent cations and unshaded spheres represent anions.  
-Which drawing represents the ionic compound Sr3(PO4)2?

Accepted Answer

A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d) 
A) drawing (a) 
B) drawing (b) 
C) drawing (c) 
D) drawing (d)

Question 11

Which of the following is a part of Dalton's atomic theory?

Accepted Answer

A) Atoms are rearranged but not changed during a chemical reaction. 
B) Atoms break down during radioactive decay. 
C) Atoms contain protons,neutrons,and electrons. 
D) Isotopes of the same element have different masses. 
A) Atoms are rearranged but not changed during a chemical reaction. 
B) Atoms break down during radioactive decay. 
C) Atoms contain protons,neutrons,and electrons. 
D) Isotopes of the same element have different masses.

Question 12

Which of the following is the correct chemical formula for a molecule of nitrogen?

Accepted Answer

A) N 
B) N- 
C) N+ 
D) N2 
A) N 
B) N- 
C) N+ 
D) N2

Question 13

The number of atoms of carbon in 28 g of silicon is

Accepted Answer

A) 28 
B) 28 × 6.022 × 1022 
C) 2.8 × 1023 
D) 6.022 × 1023 
A) 28 
B) 28 × 6.022 × 1022 
C) 2.8 × 1023 
D) 6.022 × 1023

Question 14

Which of the following two atoms are isotopes?

Accepted Answer

A)   Ar and   Ca 
B)   C and   C 
C)   l and   Br 
D)   Mg and   C 
A)   Ar and   Ca 
B)   C and   C 
C)   l and   Br 
D)   Mg and   C

Question 15

In which of the following sets do all species have the same number of electrons?

Accepted Answer

A) Cl-,Ar,Ca2+ 
B) N,O2-,F- 
C) Sc3+,Y3+,La3+ 
D) Cr,Cr2+,Cr3+ 
A) Cl-,Ar,Ca2+ 
B) N,O2-,F- 
C) Sc3+,Y3+,La3+ 
D) Cr,Cr2+,Cr3+

Question 16

Use the periodic table below to answer the following questions.  
-In which pair are both formulas of binary fluorides of element C correct?

Accepted Answer

A) CF2 and CF3 
B) CF2 and CF6 
C) CF3 and CF5 
D) CF5 and CF6 
A) CF2 and CF3 
B) CF2 and CF6 
C) CF3 and CF5 
D) CF5 and CF6

Question 17

The mass number of an atom is equal to the number of

Accepted Answer

A) electrons. 
B) neutrons. 
C) protons. 
D) protons plus neutrons. 
A) electrons. 
B) neutrons. 
C) protons. 
D) protons plus neutrons.

Question 18

Which of the following underlined items is not an intensive property?

Accepted Answer

A) the amount of gold. 
B) the color of copper hydroxide 
C) the density of argon 
D) the melting point of iron metal 
A) the amount of gold. 
B) the color of copper hydroxide 
C) the density of argon 
D) the melting point of iron metal

Question 19

Which element indicated by letter in the following periodic table is a gas at room temperature and a pressure of 1.0 atm?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 20

Which of the species below has 28 protons and 26 electrons?

Accepted Answer

A) Fe2+ 
B) Ni2+ 
C)   
Fe 
D)   
Ni 
A) Fe2+ 
B) Ni2+ 
C)   
Fe 
D)   
Ni

Exam 2: Atoms, molecules, and Ions

Which of the following underlined items is not an extensive property?

The compound,ClO ,is named

The compound,NO2,is named

What group of elements does the shaded area in the following periodic table indicate?

Which element is most chemically similar to the element indicated by the letter E in the following periodic table?

In which set do all elements tend to form cations in binary ionic compounds?

Which is most likely to form a binary oxide with the formula M4O10 (where M = element A,B,C,or D)?

What type of bonding is found in the compound PCl5?

How many electrons are in the ion,SO42-?

In the following drawings,shaded spheres represent cations and unshaded spheres represent anions. -Which drawing represents the ionic compound Sr3(PO4)2?

Which of the following is a part of Dalton's atomic theory?

Which of the following is the correct chemical formula for a molecule of nitrogen?

The number of atoms of carbon in 28 g of silicon is

Which of the following two atoms are isotopes?

In which of the following sets do all species have the same number of electrons?

Use the periodic table below to answer the following questions. -In which pair are both formulas of binary fluorides of element C correct?

The mass number of an atom is equal to the number of

Which of the following underlined items is not an intensive property?

Which element indicated by letter in the following periodic table is a gas at room temperature and a pressure of 1.0 atm?

Which of the species below has 28 protons and 26 electrons?

Chemical Tools: Experimentation and Measurement

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

Filters

The compound,ClO,is named

The compound,NO₂,is named

Which is most likely to form a binary oxide with the formula M₄O₁₀ (where M = element A,B,C,or D)?

What type of bonding is found in the compound PCl₅?

How many electrons are in the ion,SO₄^2-?

In the following drawings,shaded spheres represent cations and unshaded spheres represent anions. -Which drawing represents the ionic compound Sr₃(PO₄)₂?