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Chemical Bonding

Total questions: 28

Worksheet time: 21mins

Name
Class
Date
1.
  • Define Chemical bond

a)
A force that holds atoms together in a molecule
b)
A type of chemical reaction between atoms
c)
A type of physical barrier between atoms
d)
A form of energy storage in molecules
2.

Define Ionic bond 

a)
A bond formed by sharing electrons between atoms
b)
A bond involving the attraction between two nonpolar molecules
c)

The electrostatic force that holds oppositely charged particles together in an atomic compound

d)
A bond where electrons are transferred from one atom to another
3.

Define Metallic bond

a)
Metallic bond is the sharing of localized electrons between a lattice of metal atoms.
b)
Metallic bond is the sharing of valence electrons between a lattice of metal atoms.
c)
Metallic bond is the sharing of delocalized protons between a lattice of metal atoms.
d)

The attraction of a metallic cation for delocalized electrons

4.

Define Covalent bond

a)
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
b)
A covalent bond is a bond that results from the attraction between positive and negative ions.
c)
A covalent bond is a bond that involves the sharing of protons between atoms.
d)
A covalent bond is a bond formed by the transfer of electrons between atoms.
5.

Define Molecules

a)
Molecules are the smallest unit of a chemical compound.
b)
Molecules are only found in living organisms.
c)
Molecules are not composed of atoms.
d)
Molecules are the largest unit of a chemical compound.
6.

Define Formula unit

a)
The mass of one mole of a compound
b)

The simplest ratio of ions represented in an ionic compound

c)
The molecular formula of a compound
d)
The chemical structure of a compound
7.

What is a oxidation number

a)
A measure of the number of protons in an atom
b)
The total number of neutrons in an atom
c)
The number of isotopes present in an atom
d)

The positive or negative charge of a monatomic ion.

8.

Define polyatomic ion

a)
A molecule with only one type of atom
b)

An ion made up of two or more atoms bonded together that act as a single unit with a net charge.

c)
A single atom with a positive charge
d)
A group of atoms that are not covalently bonded together
9.

Define Lewis structure

a)
A Lewis structure is a type of mathematical equation used in physics calculations.
b)

A model that uses electron-dot structures to show how electrons are arranged in molecules.

c)
A Lewis structure is a type of architectural design used in ancient civilizations.
d)
A Lewis structure is a type of musical notation used in jazz compositions.
10.

Define electrolyte

a)
A substance that attracts lightning
b)

An ionic compound whose aqueous solution conducts an electrical current..

c)
A substance that repels electricity
d)
A substance that glows in the dark
11.

Define monatomic ion

a)

an iron formed from only one atom.

b)
A monatomic ion is an ion that only exists in solid form.
c)
A monatomic ion is an ion that does not have a charge.
d)
A monatomic ion is a molecule composed of multiple atoms that has gained or lost electrons.
12.

A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a

a)
nuclear bond
b)
chemical bond
c)
magnetic bond
d)
atomic bond
13.
  1. What is the difference between polar and nonpolar?

a)
Polar molecules have an uneven distribution of electrons, creating partial positive and negative charges, while nonpolar molecules have an even distribution of electrons and no charges.
b)
Polar molecules have an even distribution of electrons, creating partial positive and negative charges, while nonpolar molecules have an uneven distribution of electrons and charges.
c)
Polar molecules have no charges, while nonpolar molecules have partial positive and negative charges.
d)
Polar molecules are always nonpolar, and nonpolar molecules are always polar.
14.
  1. An _____________ forms when neutral atoms gain or lose electrons from their outer valence shell.

a)
electron
b)
proton
c)
ion
d)
neutron
15.
  1. As atoms bond with each other, they ________________________ their potential energy, thus creating more-stable arrangements of matter.

a)
maintain
b)
increase
c)
accelerate
d)

decrease

16.
  1. _____________________________ is a measure of the tendency of an atom to attract a bonding pair of electrons.

a)
Electronaffinity
b)
Electronpositivity
c)
Electronivity
d)
Electronegativity
17.
  1. According to the Octet Rule and Duet rule, atoms are the most stable when they have a full outer shell of electrons. 

a)

True

b)

false

18.

______________ form when atoms gain electrons and form a negative charge.

a)
Protons
b)

Anions

c)
Molecules
d)
Neutrons
19.

Other elements, like oxygen, do not have full outer shells and are non-reactive, meaning they will form chemical bonds with other elements.

a)

True

b)

False

20.
  1. The ________________________________ between positively charged nuclei and negatively charged electrons permits two atoms to be held together by chemical bond.

a)

Electrostatic Attraction

b)
Repulsion
c)
Neutralization
d)
Expansion
21.

Noble gases, like neon, have full outer shells of electrons that are unstable, meaning they do not combine with other elements and do not form chemical bonds.

a)

True

b)

False

22.

____________________________ can have more than one oxidation number.

a)
Alkali metals
b)
Noble gases
c)
Transition metals
d)
Halogens
23.
  1. ________________ form when atoms lose electrons and form a positive charge.

a)

Cations

b)
Protons
c)
Neutrons
d)
Molecules
24.

A neutral group of atoms held together by covalent bonds is a ______________

a)
compound
b)
molecule
c)
element
d)
solution
25.
  1. What are the electronegativity differences between Ionic bonds and covalent bonds. 

a)
Ionic bonds have a large electronegativity difference, while covalent bonds have a smaller electronegativity difference.
b)
Covalent bonds have a large electronegativity difference, while ionic bonds have a smaller electronegativity difference.
c)
Ionic bonds and covalent bonds have the same electronegativity difference.
d)
Ionic bonds have a smaller electronegativity difference, while covalent bonds have a larger electronegativity difference.
26.
  1. What states that the main group elements tend to form electron configurations that give them eight electrons in their outer valence shell.


a)
Heptet rule
b)
Octet rule
c)
Hexadecet rule
d)
Noble gas rule
27.
  1. The octet and duet rules only apply to main group elements, which include the first two and last six groups in the periodic table.

a)

True

b)

False

28.
  1. Ionic compounds made of only two elements are called __________________ ionic compounds.

a)
binary
b)
ternary
c)
quaternary
d)
senary