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Chemical Bonds Form 4

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.
When forming an ionic bond, a metal atom
a)
Gains electrons to form a cation
b)
Loses electrons to form a cation
c)
Gains electrons to form an anion
d)
Loses electrons to form an anion
2.
What kind of bond forms when atoms share electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
3.
If an atom loses two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
4.

What type of diagram is this?

a)

Lewis Dot Structure

b)

Bohr Model

c)

Alkali Diagram

d)

Chemical Diagram

5.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
6.
What is the proper name for Cu2O?
a)
Copper oxide
b)
dicopper oxide
c)
copper (II) oxide
d)
copper (I) oxide
7.
Why do the noble gases not react with other elements?
a)
They don't want to
b)
They need many electrons
c)
They have 8 valence electrons
d)
Their protons and electrons are balanced
8.

What type of bond is shown in the image?

a)

Hydrogen

b)

Ionic

c)

Covalent

9.

If an atom has 7 protons and 7 electrons, its electric charge is ---

a)

-7

b)

-14

c)

0

d)

+7

10.

Which is not true of the chemical bond shown on the diagram?

a)

An electron from Na is transferred to Cl.

b)

The bond is ionic since electron is shared by the two atoms.

c)

A metal and a non-metal are involved in the bonding.

d)

Na will become positively charged and Cl will be negatively charged.

11.

Which two statements are correct about the figure shown?

a)

It is a covalent bond.

b)

Hydrogen atoms loss electrons and Carbon gains the atoms.

c)

It happens on metal and on another non-metal.

d)

The valence electrons are shared by both atoms.

12.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
13.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
14.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
15.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
16.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
17.
Where are the metalloids located on the periodic table?
a)
Blue
b)
Red
c)
Green
18.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
19.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
20.
What coefficient should go in the blank space to balance the chemical equation? 
2Al  +____  HCl   →    2AlCl3  +  3H2
a)
2
b)
4
c)
3
d)
6
21.
How many TOTAL atoms are in 2H2SO4
a)
2
b)
4
c)
7
d)
14
22.
Is the following equation balanced or unbalanced ? 
Al + O2 --> Al2O3
a)
Balanced
b)
Unbalanced
23.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
24.

Ice has less density as compared to water due to ___________ bonds.

a)

ionic

b)

hydrogen

c)

covalent

d)

metallic

25.

Water molecules tend to make _____________ bonds with each other.

a)

ionic

b)

polar covalent

c)

metallic

d)

hydrogen

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