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Worksheets

Thessa Colo and Timo OP#1

Total questions: 40

Worksheet time: 43mins

Name
Class
Date
1.

A Cation is an ion with a __________ charge.

a)

positive

b)

negative

c)

neutral

2.

An Anion is an ion with a ________ charge.

a)

positve

b)

negative

c)

neutral

3.

When an atom loses an electron, it becomes a:

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

4.

When an atom gains an electron, it becomes a:

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

5.
An ionic bond is the attraction between:
a)
oppositely charged ions
b)
similarly charged ions
c)
neutral ions
d)
neutral atoms
6.

Ionic bonds form between a

a)

two metals

b)

nonmetal and nonmetal

c)

metal and nonmetal

d)

two metalloids

7.

Covalent bonds form between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

two metals

d)

two metalloids

8.

According the "Octet rule", how many valence electrons does an atom need to have a stable electron configuration?

a)

1

b)

5

c)

8

d)

10

9.

Which group in the periodic table has elements with a stable electron structure? (Full outer shell)

a)

Group 1

b)

Group 2

c)

Group 14

d)

Group 18 (Noble Gases)

10.

H and He are exceptions to the Octet Rule. How many electrons can they have in their outer shell?

a)

1

b)

2

c)

8

d)

10

11.

How does Lithium become an ion?

a)

Lose 1 electron

b)

Gain 7 electrons

c)

Lose 3 electrons

d)

Gain 1 electron

12.

How does Fluorine become an ion?

a)

Gain 1 electron

b)

Lose 1 electron

c)

Lose 7 electrons

d)

Lose 2 electrons

13.

All chemical bonds involve

a)

valence electrons

b)

protons

c)

neutrons

14.

In an Ionic bond, electrons _______________ between atoms.

a)

are shared

b)

are transferred

c)

flow freely

15.

In Covalent bond, electrons _______________ between atoms.

a)

are shared

b)

are transferred

c)

flow freely

16.

In Metallic bond, electrons _______________ between atoms.

a)

are shared

b)

are transferred

c)

flow freely

17.
molecules are made from 
a)
ionic bonds
b)
covalent bonds
18.
water is made from 
a)
ionic bonds
b)
covalent bonds
19.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
20.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
21.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
d)
Carbon and Bromine
22.
How many valence electrons do most atoms need to have a complete outer shell and be happy?
a)
1
b)
8
c)
10
d)
5
23.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
24.
Write the formula for barium + nitrogen
a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
25.

What will be the charge of a bromine ion?

a)

+7

b)

-7

c)

-1

d)

+1

26.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
27.
Ca+2, O-2
a)
CaO
b)
OCa
c)
Ca-2O+2
d)
Ca2O2
28.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
29.
What is the correct formula for dinitrogen tetroxide?
a)
N₃O₃
b)
(N₂)₂(O₄)₃
c)
N₂O₄
d)
N₄O₂
30.
What is the correct name for SO₂?
a)
Sulfur oxide
b)
Sulfite
c)
Sulfur dioxide
d)
Sulfur II Oxide
31.

Name the following covalent compound: SO3

a)

sulfur oxide

b)

sulfur trioxide

32.

Name the following covalent compound: N2O5

a)

dinitrogen pentoxide

b)

nitrous oxide

33.

Name the following ionic compound: LiBr

a)

lithium monobromide

b)

lithium bromide

34.
What is the correct formula for phosphorous trichloride?
a)
P₃Cl
b)
PCl₃
c)
KCl₃
d)
K₃Cl
35.
 S-2,Al+3
a)
AlS3
b)
Al2S3
c)
S3Al2
36.
Al+3, F-1
a)
AlF3
b)
Al3F
c)
FAl3
d)
F3Al
37.
Formula for Sodium Oxide?
a)
NaO
b)
Na2O
c)
ONa
d)
Na1O1
38.

prefix for 7

a)

penta

b)

hepta

39.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

40.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false