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Concept 1 Practice Stability and Bonding

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
2.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
3.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
4.

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

5.

What is the correct Lewis structure for BF3?

a)
b)
c)
d)

BF3 (The formula is the Lewis Structure)

6.
a)
2
b)
8
c)
3
d)
13
7.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

8.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

9.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
10.

Nonmetals tend to

a)

gain electrons

b)

lose electrons

11.

Metals tend to

a)

gain electrons

b)

lose electrons

12.

How many electrons does barium have to give up to follow the octet rule?

a)

1

b)

2

c)

3

d)

4

13.

Which of the following elements forms an ion with a -1 charge?

a)

fluorine

b)

hydrogen

c)

potassium

d)

sodium

14.

How many valence electrons are in an atom of Silicon?

a)

2

b)

4

c)

6

d)

8

15.

How many valence electrons are in an atom of Magnesium?

a)

2

b)

3

c)

4

d)

5

16.

How many valence electrons are in an atom of Phosphorus?

a)

2

b)

3

c)

4

d)

5

17.

What ion will potassium form?

a)

K2+

b)

K1+

c)

K1-

d)

K2-

18.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
19.

Which of the following elements LOSES 1 electron in order to attain an octet?

a)

potassium

b)

calcium

c)

helium

d)

boron

e)

fluorine

20.

Which of the following elements LOSES 2 electrons in order to attain an octet?

a)

lithium

b)

magnesium

c)

helium

d)

sulfur

e)

bromine

21.

Which of the following elements GAINS 2 electrons in order to attain an octet?

a)

cesium

b)

magnesium

c)

phosphorus

d)

sulfur

e)

iodine

22.

Which of the following elements LOSES 3 electrons in order to attain an octet?

a)

nitrogen

b)

lithium

c)

aluminum

d)

oxygen

e)

iodine

23.

Which of the following elements GAINS 3 electrons in order to attain an octet?

a)

nitrogen

b)

lithium

c)

boron

d)

oxygen

e)

fluorine

24.

Get your periodic table out! How many valence electrons does Carbon (C) have?

a)

3

b)

6

c)

4

d)

14

25.

How many electrons does Cl (Chlorine) want to gain or lose to complete the octet rule?

a)

It wants to gain 1 electrons

b)

It wants to lose 7 electrons

c)

It wants to lose 9 electron

d)

It want so gain 10 electrons