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Chemical Bonds

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

Why do elements bond?

a)

To be friends

b)

To create a new element

c)

To become stable

d)

To get bigger

2.
What is a valence electron?
a)
The sum of neutrons and protons.
b)
The # of electrons in the last shell.
c)
A type of bond.
d)
A popular compound.
3.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
4.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
5.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
6.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
7.

For metals (groups 1-3), its easier to _____ electrons to have a full outer shell.

a)

gain

b)

lose

c)

share

8.

For nonmetals (grousp 5-7), its easier to _____ electrons to have a full outer shell.

a)

gain

b)

lose

c)

share

9.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
10.

What is the correct formula for potassium oxide?

a)

KO2

b)

KO

c)

K2O

d)

OK2

11.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
12.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
13.
What is the charge of Ni in NiBr3?
a)
+2
b)
+3
c)
-3
d)
+6
14.
The roman numeral in a compound name indicates ___________________.
a)
the number of metal ions
b)
the charge of the metal ion
c)
nothing
d)
the number of total ions
15.

P₄S₁₀

a)

tetrapotassium decasulfide

b)

phosphorus decasulfide

c)

tetraphosphorus decasulfide

d)

phosphorus (X) sulfide

16.

chlorine dioxide

a)

ClO2

b)

ClO

c)

ClO3

d)

HClO2

17.

What is the OFFICIAL name for H2O? Hint.. This is a trick question so choose carefully!

a)

Hydrogen Oxide

b)

Oxygen Dinitride

c)

Water

d)

Dihydrogen Monoxide

18.

What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

Po2O5

19.

K2O - name?

a)

potassium dioxide

b)

potassium oxide

c)

potassium oxygen

d)

dipotassium dioxide

20.

What is the name for SiCl4?

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride