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WorksheetsBonding Review - Ionics and Covalents
Total questions: 30
Worksheet time: 34mins
Name
Class
Date
1.
What are the numbers 2 and 3 called in the formula Ca(NO3)2?
a)
subscripts
b)
coefficients
c)
numerators
d)
distributors
2.
How many atoms of oxygen are in the molecule Ca(NO3)2?
a)
2
b)
3
c)
6
d)
12
3.
How many molecules are there in 5 PbI2?
a)
1
b)
2
c)
5
d)
10
4.
What is the percent of carbon and oxygen in CO2? (Round your answer to a whole number.)
a)
33% carbon, 67% oxygen
b)
27% carbon, 73% oxygen
c)
12% carbon, 32% oxygen
d)
44% carbon, 44% oxygen
5.
How many dots would you draw for a Lewis dot diagram of sulfur (#16)?
a)
2
b)
6
c)
8
d)
16
6.
Which of these elements is not likely to bond with another atom?
a)
K (#19)
b)
Zr (#40)
c)
Gd (#64)
d)
Rn (#86)
7.
How many valence electrons does Te (#52) have?
a)
2
b)
6
c)
8
d)
16
8.
What would be the charge on this atom?
a)
+2
b)
+6
c)
-2
d)
-6
9.
Is indium (#49) a metal or non-metal?
a)
metal
b)
non-metal
10.
How many electrons does phosphorus (#15) need to gain in order to be stable
a)
3
b)
5
c)
8
d)
15
11.
An atom needs to gain 2 more electrons. What charge would it have when it does this?
a)
+2
b)
+6
c)
-2
d)
-6
12.
According to the diagram, what will this atom do when it forms an ionic bond with a metal?
a)
Give away 1 electron
b)
Give away 7 electrons
c)
Gain one electron
d)
Gain 7 electrons
13.
What type of compound dissolves in water?
a)
Ionics
b)
Covalent
14.
What types of elements typically gain electrons when they form an ionic bond?
a)
Metals
b)
Non-metals
c)
Noble gases
15.
Which of these elements form covalent bonds?
a)
Rare earth metals
b)
Noble gases
c)
Transition metals
d)
Non-metals
16.
Is the compound in the image below ionic or covalent?
a)
Ionic
b)
Covalent
17.
Which type of compounds conduct electricity?
a)
Covalents
b)
Ionics
18.
Which of these compounds is Ionic?
a)
SI2
b)
CH4
c)
Br2
d)
CaF2
19.
What is the correct name of CaBr2?
a)
calcium bromine
b)
calcium dibromide
c)
monocalcium dibromide
d)
calcium bromide
20.
What is the correct name of the compound in the picture?
a)
phosphorus chlorine
b)
phosphorus chloride
c)
phosphorus pentachloride
d)
monophosphorus pentachloride
21.
What is the correct name of Na2(CO3)?
a)
sodium carbonate
b)
sodium carboxide
c)
sodium carbon oxide
d)
disodium monocarbon trioxide
22.
Which prefix means "7"?
a)
Seva-
b)
Hexa-
c)
Septa-
d)
Hepta-
23.
What would be the correct formula for nitrogen trichloride?
a)
NCl
b)
NCl3
c)
N3Cl
d)
N3Cl3
24.
What would be the correct formula for tetraphosphorus decaoxide?
a)
P4O10
b)
P10O4
c)
4 PO10
d)
K4O10
25.
What is the correct formula for potassium selenide? HINT: Draw a dot diagram to figure it out!
a)
KSe
b)
KSe2
c)
K2Se2
d)
K2Se
26.
What is the correct formula for sodium phosphate?
a)
Na3P
b)
Na(PO4)
c)
Na3(PO4)
d)
Na(PO4)3
27.
What part of the atom is responsible for all chemical bonds?
a)
Protons
b)
Neutrons
c)
Nucleus
d)
Valence electrons
28.
According to the diagram below, how many bonds will this atom need to make to be stable?
a)
1
b)
2
c)
3
d)
4
29.
How many chlorine atoms would be needed to bond with Fe+3?
a)
1
b)
2
c)
3
d)
Not possible to bond
30.
What is the correct formula when Co+2 and (NO3)-1 bond together?
a)
Co(NO3)
b)
Co2(NO3)2
c)
Co(NO3)2
d)
Co(NO)6
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