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Chemical Bonding

Total questions: 25

Worksheet time: 6hrs 15mins

Name
Class
Date
1.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
2.
All chemical bonds involve two atoms sharing electrons.
a)
True
b)
False
3.
Bonds that form between two metals are called ______________ bonds.
a)
ionic 
b)
covalent
c)
metallic
d)
pervasive
4.
If an atom loses two electrons what charge will it have?
a)
+ 2
b)
 - 2
c)
+1
d)
-1
5.
If an atom gains one electron what charge will it have?
a)
-2
b)
-1
c)
+1
6.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
7.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
8.

Which type of bond creates a "sea" of electrons between atoms?

a)

Ionic Bonds

b)

Covalent Bonds

c)

Metallic Bonds

d)

Saving Bonds

9.

Why do atoms bond?

a)

They typically don't bond

b)

To add or take away energy levels

c)

To have a full valance shell.

d)

To have a full inner shell

10.

Covalent bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

It depends on the situation

11.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

12.

What happens when magnesium loses 2 electrons?

a)

It stabilizes to a net charge of 0

b)

It turns into an atom

c)

It becomes negatively charged

d)

It becomes positively charged

13.

Predict the bond between Mg and Cl

a)

covalent

b)

ionic

c)

metallic

d)

none of the above

14.

What is the correct Lewis structure for BF3?

a)
b)
c)
d)

BF3 (The formula is the Lewis Structure)

15.

What is the chemical formula for Lithium Nitride?

a)

Li3N

b)

LiN3

c)

NLi3

d)

N3Li

16.

What is the ionic formula for a bond between Calcium and Phosphorus?

a)

Ca2P3

b)

Ca3P2

c)

Ca2P5

d)

P5Ca2

17.
________ molecules are found in nature as single atom elements
a)
polyatomic
b)
monatomic
c)
elemental
d)
diatomic
18.

______ molecules are found in nature as pairs of two atoms of the same type covalently bonded together.

a)

Diatomic

b)

Monatomic

c)

Polyatomic

d)

Network

19.
What type of bond is illustrated above?
a)
Metallic
b)
Ionic
c)
Covalent
d)
Wiggly
20.

Which compound is held together by electrostatic forces?

a)

NO2

b)

CaSO4

c)

Aluminum

d)

P4O10

21.

A positively or negatively charged particle.

a)

covalent bond

b)

ion

c)

oxidation number

d)

subscript

22.

Ions change from positive and negative, and back in forth, this is called the ______________________

a)

Molecule number

b)

Ionic number

c)

Polar number

d)

Oxidation number

23.

An ion that is negative is called a ____________________.

a)

polar ion

b)

nonpolar ion

c)

anion

d)

cation

24.

An ion that is positively charged is called a ________________.

a)

polar ion

b)

cation

c)

anion

d)

positive ion

25.

What is the basis of a metallic bond?

a)

the attraction of neutral metal atoms.

b)

the attraction between protons and neutrons.

c)

the attraction between negative ions and interlocking electrons.

d)

the attraction between positive metal ions and free floating electrons.