Question 1

The systematic (IUPAC)name of NaClO4is _____.

Accepted Answer

A) sodium perchlorate 
B) sodium chlorate 
C) sodium hypochlorate 
D) sodium chloride tetraoxide 
A) sodium perchlorate 
B) sodium chlorate 
C) sodium hypochlorate 
D) sodium chloride tetraoxide

Question 2

Free radicals, such as Cl ∙, tend to be very reactive.

Accepted Answer

A) True 
 B)False

Question 3

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is _____.

Accepted Answer

A) "73Se1  − " 
B) "72As1  − " 
C) "67Y1+" 
D) "73Se1+" 
A) "73Se1  − " 
B) "72As1  − " 
C) "67Y1+" 
D) "73Se1+"

Question 4

The nucleus of an atom is comprised of protons and electrons.

Accepted Answer

A) True 
 B)False

Question 5

Group II elements (Be, Mg, Ca, Sr, and Ba)are commonly referred to as _____.

Accepted Answer

A) alkali metals 
B) alkaline earth metals 
C) halogen metals 
D) lanthanide metals 
A) alkali metals 
B) alkaline earth metals 
C) halogen metals 
D) lanthanide metals

Question 6

The molecular formula for lead nitrate is _____.

Accepted Answer

A) PbN3 
B) Pb(NO2)3 
C) Pb(NO3)2 
D) PNO3 
A) PbN3 
B) Pb(NO2)3 
C) Pb(NO3)2 
D) PNO3

Question 7

The molecular formula for tin(IV)oxide is _____.

Accepted Answer

A) TiO2 
B) SnO2 
C) SnO4 
D) TiO4 
A) TiO2 
B) SnO2 
C) SnO4 
D) TiO4

Question 8

Chlorine forms four oxyanions.

Accepted Answer

A) True 
 B)False

Question 9

When electrons are shared between pairs of atoms rather than donated from one atom to another or mobile across an entire lattice, we have _____ bonding.

Accepted Answer

The answer of When electrons are shared between pairs of...

Question 10

Alkali metal cations carry a charge of _____.

Accepted Answer

A) 1+ 
B) 2+ 
C) 2 − 
D) 1 − 
A) 1+ 
B) 2+ 
C) 2 − 
D) 1 −

Question 11

Anions are negatively charged species that contain fewer electrons than protons.

Accepted Answer

A) True 
 B)False

Question 12

Atoms of the same element that have different numbers of neutrons are called _____.

Accepted Answer

The answer of Atoms of the same element that have...

Question 13

Ions of opposite charges attract one another. This attraction is governed by _____.

Accepted Answer

A) Graham's law 
B) Henry's law 
C) Kirchoff's law 
D) Coulomb's law 
A) Graham's law 
B) Henry's law 
C) Kirchoff's law 
D) Coulomb's law

Question 14

Which of the following chemical species contains 9 protons?

Accepted Answer

A) "16O" 
B) "19F" 
C) "35S" 
D) "32P" 
A) "16O" 
B) "19F" 
C) "35S" 
D) "32P"

Question 15

The systematic (IUPAC)name of Sr(NO2)2is _____.

Accepted Answer

A) strontium nitrate 
B) strontium dinitrate 
C) sirium nitrate 
D) strontium nitrite 
A) strontium nitrate 
B) strontium dinitrate 
C) sirium nitrate 
D) strontium nitrite

Question 16

Barium is an alkali metal.

Accepted Answer

A) True 
 B)False

Question 17

The average mass of an atom is determined by:

Accepted Answer

A) adding the number of protons and electrons and dividing it by the number of neutrons. 
B) averaging the masses of each isotope. 
C) calculating the weighted average of all stable isotopic masses. 
D) adding the number of protons and neutrons and dividing it by the number of electrons. 
A) adding the number of protons and electrons and dividing it by the number of neutrons. 
B) averaging the masses of each isotope. 
C) calculating the weighted average of all stable isotopic masses. 
D) adding the number of protons and neutrons and dividing it by the number of electrons.

Question 18

Silicon tetrachloride plays an important role in the production of semiconductors .

Accepted Answer

A) True 
 B)False

Question 19

The molecular formula for ammonium chloride is _____.

Accepted Answer

A) NH3Cl 
B) NH  2 Cl  2  
C) NH4Cl 
D) NH  2 Cl  3  
A) NH3Cl 
B) NH  2 Cl  2  
C) NH4Cl 
D) NH  2 Cl  3

Question 20

The ratio of isotopes for a given element can be measured instrumentally using a _____.

Accepted Answer

The answer of The ratio of isotopes for a given...

The systematic (IUPAC)name of NaClO₄is _____.

Free radicals, such as Cl ∙, tend to be very reactive.

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is _____.

The nucleus of an atom is comprised of protons and electrons.

Group II elements (Be, Mg, Ca, Sr, and Ba)are commonly referred to as _____.

The molecular formula for lead nitrate is _____.

The molecular formula for tin(IV)oxide is _____.

Chlorine forms four oxyanions.

When electrons are shared between pairs of atoms rather than donated from one atom to another or mobile across an entire lattice, we have _____ bonding.

Alkali metal cations carry a charge of _____.

Anions are negatively charged species that contain fewer electrons than protons.

Atoms of the same element that have different numbers of neutrons are called _____.

Ions of opposite charges attract one another. This attraction is governed by _____.

Which of the following chemical species contains 9 protons?

The systematic (IUPAC)name of Sr(NO₂)₂is _____.

Barium is an alkali metal.

The average mass of an atom is determined by:

Silicon tetrachloride plays an important role in the production of semiconductors .

The molecular formula for ammonium chloride is _____.

The ratio of isotopes for a given element can be measured instrumentally using a _____.

Introduction to Chemistry

Molecules, Moles, Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Nuclear Chemistry Available Through Custom Publishing

Filters

Exam 2: Atoms and Molecules

The systematic (IUPAC)name of NaClO4is _____.

Free radicals, such as Cl ∙, tend to be very reactive.

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is _____.

The nucleus of an atom is comprised of protons and electrons.

Group II elements (Be, Mg, Ca, Sr, and Ba)are commonly referred to as _____.

The molecular formula for lead nitrate is _____.

The molecular formula for tin(IV)oxide is _____.

Chlorine forms four oxyanions.

When electrons are shared between pairs of atoms rather than donated from one atom to another or mobile across an entire lattice, we have _____ bonding.

Alkali metal cations carry a charge of _____.

Anions are negatively charged species that contain fewer electrons than protons.

Atoms of the same element that have different numbers of neutrons are called _____.

Ions of opposite charges attract one another. This attraction is governed by _____.

Which of the following chemical species contains 9 protons?

The systematic (IUPAC)name of Sr(NO2)2is _____.

Barium is an alkali metal.

The average mass of an atom is determined by:

Silicon tetrachloride plays an important role in the production of semiconductors .

The molecular formula for ammonium chloride is _____.

The ratio of isotopes for a given element can be measured instrumentally using a _____.

Introduction to Chemistry

Molecules, Moles, Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Nuclear Chemistry Available Through Custom Publishing

Filters

The systematic (IUPAC)name of NaClO₄is _____.

The systematic (IUPAC)name of Sr(NO₂)₂is _____.