Question 1

Common examples of diatomic molecules from Group 7A elements include

Accepted Answer

A) fluorine,hydrogen,and nitrogen. 
B) nitrogen,chlorine,and bromine. 
C) chlorine,bromine,and iodine. 
D) iodine,lead,and oxygen. 
A) fluorine,hydrogen,and nitrogen. 
B) nitrogen,chlorine,and bromine. 
C) chlorine,bromine,and iodine. 
D) iodine,lead,and oxygen.

Question 2

What is the formula of iodous acid?

Accepted Answer

A) HI 
B) HIO3 
C) HIO 
D) HIO4 
E) HIO2 
A) HI 
B) HIO3 
C) HIO 
D) HIO4 
E) HIO2

Question 3

_________________ is defined as a mass exactly equal to one-twelfth the mass of one carbon-12 atom.

Accepted Answer

One atomic

Question 4

Which one of the following statements about atoms and subatomic particles is correct?

Accepted Answer

A) Rutherford discovered the atomic nucleus by bombarding gold foil with electrons. 
B) The proton and the neutron have identical masses. 
C) The neutron's mass is equal to that of a proton plus an electron. 
D) A neutral atom contains equal numbers of protons and electrons. 
E) An atomic nucleus contains equal numbers of protons and neutrons. 
A) Rutherford discovered the atomic nucleus by bombarding gold foil with electrons. 
B) The proton and the neutron have identical masses. 
C) The neutron's mass is equal to that of a proton plus an electron. 
D) A neutral atom contains equal numbers of protons and electrons. 
E) An atomic nucleus contains equal numbers of protons and neutrons.

Question 5

What is the name of P4Se3?

Accepted Answer

A) phosphorus selenide 
B) phosphorus triselenide 
C) tetraphosphorus selenide 
D) phosphoric selenide 
E) tetraphosphorus triselenide 
A) phosphorus selenide 
B) phosphorus triselenide 
C) tetraphosphorus selenide 
D) phosphoric selenide 
E) tetraphosphorus triselenide

Question 6

What types of elements undergo ionic bonding?

Accepted Answer

A) two metals 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) two noble gases 
A) two metals 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) two noble gases

Question 7

What is the chemical name of FeSO3?

Accepted Answer

A) Iron(II)sulfite 
B) Iron(III)sulfate 
C) Iron sulfate 
D) Iron sulfur trioxide 
E) None of the names is correct. 
A) Iron(II)sulfite 
B) Iron(III)sulfate 
C) Iron sulfate 
D) Iron sulfur trioxide 
E) None of the names is correct.

Question 8

Who is credited with first measuring the charge of the electron?

Accepted Answer

A) Dalton 
B) Gay-Lussac 
C) Thomson 
D) Millikan 
E) Rutherford 
A) Dalton 
B) Gay-Lussac 
C) Thomson 
D) Millikan 
E) Rutherford

Question 9

What is the name of ClO- ion?

Accepted Answer

A) hypochlorite 
B) chlorate 
C) chlorite 
D) perchlorate 
E) perchlorite 
A) hypochlorite 
B) chlorate 
C) chlorite 
D) perchlorate 
E) perchlorite

Question 10

In the periodic table,atoms are arranged in order of

Accepted Answer

A) increasing atomic mass. 
B) increasing atomic number. 
C) physical properties. 
D) periodicity. 
E) chemical reactivities. 
A) increasing atomic mass. 
B) increasing atomic number. 
C) physical properties. 
D) periodicity. 
E) chemical reactivities.

Question 11

Who is credited with measuring the mass/charge ratio of the electron?

Accepted Answer

A) Dalton 
B) Chadwick 
C) Thomson 
D) Millikan 
E) Rutherford 
A) Dalton 
B) Chadwick 
C) Thomson 
D) Millikan 
E) Rutherford

Question 12

The formula for sodium sulfide is

Accepted Answer

A) NaS. 
B) K2S. 
C) NaS2. 
D) Na2S. 
E) SeS. 
A) NaS. 
B) K2S. 
C) NaS2. 
D) Na2S. 
E) SeS.

Question 13

Which of these materials are usually poor conductors of heat and electricity?

Accepted Answer

A) Metals 
B) Metalloids 
C) Nonmetals 
D) Alkaline earth metals 
E) Alkali metals 
A) Metals 
B) Metalloids 
C) Nonmetals 
D) Alkaline earth metals 
E) Alkali metals

Question 14

Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials.What is its formula?

Accepted Answer

A) KMnO3 
B) KMnO4 
C) K2MnO4 
D) K(MnO4)2 
E) K2Mn2O7 
A) KMnO3 
B) KMnO4 
C) K2MnO4 
D) K(MnO4)2 
E) K2Mn2O7

Question 15

Which of the following is a type of radioactive radiation that consists of positively charged particles and is deflected away from the positively charged plate?

Accepted Answer

A) α rays 
B) β rays 
C) γ rays 
D) δ rays 
E) ε rays 
A) α rays 
B) β rays 
C) γ rays 
D) δ rays 
E) ε rays

Question 16

An anion is defined as

Accepted Answer

A) a charged atom or group of atoms with a net negative charge. 
B) a stable atom. 
C) a group of stable atoms. 
D) an atom or group of atoms with a net positive charge. 
E) neutral. 
A) a charged atom or group of atoms with a net negative charge. 
B) a stable atom. 
C) a group of stable atoms. 
D) an atom or group of atoms with a net positive charge. 
E) neutral.

Question 17

What is the formula for the ionic compound formed by calcium ions and nitrate ions?

Accepted Answer

A) Ca3N2 
B) Ca(NO3)2 
C) Ca2NO3 
D) Ca2NO2 
E) CaNO3 
A) Ca3N2 
B) Ca(NO3)2 
C) Ca2NO3 
D) Ca2NO2 
E) CaNO3

Question 18

What is the name given for the elements in Group 1A in the periodic table?

Accepted Answer

The answer of What is the name given for the...

Question 19

Which field of study made a big contribution toward understanding the composition of the atom?

Accepted Answer

A) Electricity 
B) Radiation 
C) Solution chemistry 
D) Electrochemistry 
E) Quantum mechanics 
A) Electricity 
B) Radiation 
C) Solution chemistry 
D) Electrochemistry 
E) Quantum mechanics

Question 20

The scientist who determined the magnitude of the electric charge on the electron was

Accepted Answer

A) John Dalton. 
B) Robert Millikan. 
C) J.J.Thomson. 
D) Henry Moseley. 
E) J.Burdge. 
A) John Dalton. 
B) Robert Millikan. 
C) J.J.Thomson. 
D) Henry Moseley. 
E) J.Burdge.

Exam 2: Atoms Molecules and Ions

Common examples of diatomic molecules from Group 7A elements include

What is the formula of iodous acid?

_________________ is defined as a mass exactly equal to one-twelfth the mass of one carbon-12 atom.

Which one of the following statements about atoms and subatomic particles is correct?

What is the name of P4Se3?

What types of elements undergo ionic bonding?

What is the chemical name of FeSO3?

Who is credited with first measuring the charge of the electron?

What is the name of ClO- ion?

In the periodic table,atoms are arranged in order of

Who is credited with measuring the mass/charge ratio of the electron?

The formula for sodium sulfide is

Which of these materials are usually poor conductors of heat and electricity?

Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials.What is its formula?

Which of the following is a type of radioactive radiation that consists of positively charged particles and is deflected away from the positively charged plate?

An anion is defined as

What is the formula for the ionic compound formed by calcium ions and nitrate ions?

What is the name given for the elements in Group 1A in the periodic table?

Which field of study made a big contribution toward understanding the composition of the atom?

The scientist who determined the magnitude of the electric charge on the electron was

Chemistry: the Central Science

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

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What is the name of P₄Se₃?

What is the chemical name of FeSO₃?

What is the name of ClO^- ion?