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Honors QUEST: Ionic Names & Formulas

Total questions: 24

Worksheet time: 25mins

Name
Class
Date
1.
What is the NAME of....
Na2S
a)
sodium (II) sulfide
b)
sodium sulfide
c)
disodium sulfide
d)
sodium sulfur
2.
What is the FORMULA for...
calcium arsenide
a)
Ca3As2
b)
CaAs2
c)
Ca3As
d)
Ca3Ar2
3.
The name of the compound NH4F is
a)
Nitrogen hydrogen fluorine
b)
Ammonium Fluoride
c)
Ammonia Fluoride
d)
Nitrogen tetrahydride fluoride
4.
The name of Ca₃(PO₄)₂ is
a)
calcium phosphide oxide
b)
calcium phosphate
c)
tricalcium diphosphate
d)
carbon phosphate
5.
What is the formula for Magnesium Carbonate?
a)
MgCO3
b)
Mg(CO3)2
c)
Mg2CO6
d)
Mg2CO3
6.
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
7.

Metals tend to _____ electrons to form cations; nonmetals tend to _____ electrons to form anions.

a)

lose ; lose

b)

gain; lose

c)

gain ; gain

d)

lose; gain

8.

Because the overall charge in a compound must be ____________, the charge of iron in Fe2O3 can be calculated as 3+.

a)

2+

b)

1+

c)

0

d)

1-

9.
What formula results when Fe+3 and CO3-2 ions bond?
a)
FeCO3
b)
Fe2CO3
c)
Fe2(CO3)3
d)
Fe3(CO3)2
10.

How do the following two elements bond together?

K and P

a)

KP

b)

KP3

c)

K3P

d)

K6P2

11.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
12.
What is the charge on the hydroxide ion?
a)
0
b)
-1
c)
-2
d)
-3
13.

The following properties are all characteristics of ionic compounds EXCEPT

a)

high melting and boiling points

b)

soft

c)

crystal lattice structure

d)

conduct electricity when dissolved in water

14.
An atom that has lost or gained electrons; an atom with a charge.
a)
cation
b)
anion
c)
isotope
d)
ion
15.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
16.
Which of the following will form an ion with a 2- charge?
a)
Ca
b)
Se
c)
Ge
d)
N
17.
What are the electrons in the highest energy level of an atom called?
a)
orbital electrons
b)
valence electrons
c)
anions
d)
cations
18.
A phosphorus atom needs to gain ___ electrons to achieve a full octet.
a)
3
b)
4
c)
6
d)
5
19.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
20.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
21.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
22.

Why do atoms form bonds?

a)

to attain a noble gas configuration

b)

to increase their mass

c)

to increase their atomic number

d)

to attain an alkali metal configuration

23.

An example of an ionic compound is Sodium Chloride, which is made from Na+ and Cl- ions. Why do these ions form an ionic bond?

a)

They have like charges

b)

They are from the same group

c)

They are from the same period

d)

They have opposite charges

24.

What is an ionic compound?

Use ALL the following words in complete sentences:

Binary, non-metal, attracted, positive, anion, metal, negative and cation.

4 lines

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