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Worksheets

Checkpoint: Ions

Total questions: 24

Worksheet time: 16mins

Name
Class
Date
1.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
2.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
3.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

4.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

5.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
6.

Why do elements form bonds?

a)

to get a charge

b)

so they can make friends

c)

to become stable by getting a full valence shell

d)

to become stable by increasing their mass

7.

Lithium (Li)

a)

Li+

b)

Li2+

c)

Li-

d)

Li2-

8.

Chlorine/de (Cl)

a)

Cl2-

b)

Cl+

c)

Cl-

d)

Cl3-

9.

Hydrogen (H)

a)

H2+

b)

H-

c)

H+

d)

He+

10.

Magnesium (Mg)

a)

Mg+

b)

Mg2+

c)

Mg2-

d)

Mg2-

11.

Oxygen (O)

a)

O2+

b)

O2-

c)

O3-

d)

O+

12.

Fluorine (F)

a)

Fl-

b)

Fl+

c)

Fl2-

d)

Fl3-

13.

Calcium (Ca)

a)

Ca2+

b)

Ca+

c)

Ca2-

d)

Ca3+

14.

Potassium (K)

a)

K2+

b)

K3+

c)

K+

d)

K-

15.

Helium (He)

a)

He+

b)

He-

c)

Helium doesn't form ions as it has a stable outer cell

d)

He 2+

16.
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
17.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
18.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
19.

What is the overall charge of the ionic compound NaCl

a)

+1

b)

+2

c)

+3

d)

0

20.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
21.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
22.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
23.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
24.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine