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Bonding C1 Vocab and Notes REVIEW

Total questions: 35

Worksheet time: 31mins

Name
Class
Date
1.

__________________ is when two or more atoms join to create a new substance.

a)

chemical bonding

b)

valence electron

c)

ions

d)

chemical formula

2.
How many valence electrons are in an atom of Ba?
a)
2
b)
8
c)
4
d)
1
3.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
4.
How many valence electrons are in an atom of K?
a)
3
b)
8
c)
4
d)
1
5.

Is this the correct Lewis Dot Structure for Boron?

a)

Yes

b)

No, missing electrons

c)

No, too many electrons

d)

No, dots are in wrong place.

6.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

7.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
8.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
9.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
10.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
11.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
12.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
13.

A _________________ is a substance made of 2 or more elements that are chemically combined.

a)

compound

b)

element

c)

atom

d)

chemical bond

14.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

15.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

16.

Is potassium a cation or an anion?

a)

cation

b)

anion

17.

How many atoms are there TOTAL in H2SO4 ?

a)

6

b)

5

c)

7

d)

3

18.

How many Nitrogen atoms are in the in H2C3O4N5?

a)

2

b)

3

c)

4

d)

5

19.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
20.

This is a correct Lewis Dot Diagram for oxygen (O)

a)

true

b)

false

21.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

22.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

23.

Is potassium a cation or an anion?

a)

cation

b)

anion

24.
Which is most likely to form a negative ion...
a)

an element from Group 7

b)
a metal
c)
an element from Group 1
d)
an element with atoms that have eight valence electrons
25.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al+3

b)

Al+13

c)

Al+10

d)

Al-10

26.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
27.
What element always has an oxidation number of +1?
a)
Hydrogen
b)
Fluorine
c)
Chlorine
d)
Iodine
28.

Predict the bond that form between Be and F

a)

Covalent

b)

Ionic

29.

An atom with 1 valence electron 'needs' a full shell, so it can either gain 7 electrons or lose 1. Which is more likely to occur?

a)

nothing

b)

gain 7

c)

lose 1

30.

Elements in group 13 have _______ valence electron.

a)

10

b)

13

c)

3

d)

8

31.

How many valence electrons will this atom gain or lose?

a)

Gain 2

b)

Lose 2

c)

Lose 6

d)

Gain 6

32.

Why do ionic bonds form?

a)

so the number of protons equals the number of electrons

b)

to fill the outermost energy level to make the atom stable

c)

so an atom can become unstable

33.

Lithium is in group 1 of the periodic table, which ion would it form?

a)

Li-1

b)

Li2-

c)

Li+1

d)

Li2+

34.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

35.

Cations _______ electrons, becoming _______ charged.

a)

Gain; positively (+)

b)

Gain; negatively (-)

c)

Lose; positively (+)

d)

Lose; negatively (-)

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