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INT Unit 9 Review Sp2024

Total questions: 45

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
2.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
3.

How many atoms are in Al2(SO4)3?

a)

15

b)
3
c)

14

d)

17

4.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
5.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
6.
Which of the following is NOT formed by a covalent bond?
a)
K2S
b)
H2O
c)
I2
d)
CO2
7.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
8.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
9.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
10.
Ionic or covalent?
NaBr
a)
Ionic
b)
Covalent
11.
Ionic or covalent?
H2O
a)
Ionic
b)
Covalent
12.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
13.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
14.

A chemical formula is provided. How many atoms of hydrogen (H) are found in this substance?

a)

2

b)

4

c)

6

d)

8

15.

A student created a chart to show some common compounds. Which of the following chemical formulas is written correctly?

a)
b)
c)
d)
16.

Choose the incorrect pairing below:

a)

Cation -> positive

b)

Anion -> negative

c)

Ionic bonding -> metal to metal

d)

Covalent bonding -> nonmetal to nonmetal

17.

Which is positive ion?

a)

Cation

b)

Anion

18.

What is the first step in writing a chemical formula?

a)

Write the multipliers as subscript of each element.

b)

Identify the symbols and charges of the elements.

c)

Balance the charges by looking for multipliers.

19.

Barium Chloride

a)

BaCL2

b)

BaCl2

c)

BaCl

20.

What is the formula for the Manganese (II) ion?

a)

Mn1+

b)

Mn2+

c)

M 2+

d)

Mn2-

21.

What is the formula for the Aluminium ion?

a)

AL1+

b)

Al2+

c)

Al 3+

d)

al 2-

22.

What is the formula for the Phosphide ion?

a)

P2-

b)

P1-

c)

P3-

d)

P4-

23.

NaBr

a)

Bromide sodide

b)

Sodium bromide

c)

Sodium bromate

d)

Sodium bromite

24.

Write the formula for Cu+ and P?

a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
25.
Name the following:
Mg3P2
a)
Magnesium Phosphide
b)
Magnesium Phosphorus
c)
Magnamide Phosphide
d)
Magnamide Phosphorus
26.
How many nitrogen atoms are in 
(NH4)3PO4
a)
1
b)
4
c)
3
d)
12
27.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
28.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
29.

Which statement is not true about Group 17?

a)

Ionic Charge = 1-

b)

7 valence electrons

c)

Halogens

d)
30.

Write the balanced chemical formula for: O and Rb

a)

ORb2

b)

RbO2

c)

Rb2O

d)

O2Rb

31.

What is the balanced chemical formula for Al and Br?

a)

AlBr3

b)

Br3Al

c)

AlBr

d)

Al3Br

32.

What is the cation in CaO?

a)

Calcium

b)

Oxygen

c)

Carbon

d)

Cobalt

33.

Refers to the number of electrons that are lost or gained when bonding occurs.

a)

Covalent Bond

b)

Ionic Charge

c)

Isotope

d)

Lewis Dot Diagram

34.
The name for CrN:
a)
Chromium nitride
b)
Chromium (I) nitride
c)
Chromium (III) nitride
d)
Chromium nitride (III)
35.
The name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
36.

Name the following compound: CaCl2

a)

calcium dichloride

b)

calcium chloride

c)

calcium (II) chloride

d)

carbon chloride

e)

None of these.

37.

Name the following compound: Na2S

a)

sodium sulfide

b)

disodium sulfide

c)

sodium sulfur

d)

sodium monosulfide

e)

None of these.

38.

What is the formula for: magnesium sulfide

a)

MgS

b)

Mg2S2

c)

MnS

d)

MgS2

e)

None of these.

39.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
40.
calcium iodide
a)
CaI
b)
Ca2I
c)
CaI2
d)
Ca2I3
41.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
42.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
43.
What would be the proper chemical formula for combining Al3+ and l- :
a)
Al l3
b)
Al3l
c)
Al l
d)
Al3 l3
44.

Write the name of P2Cl5.

a)

phosphorus chloride

b)

phosphorus(II) chloride

c)

diphosphorus pentachloride

d)

diphosphorus pentachlorine

45.

What is the name of SO3?

a)

Sulfur oxide

b)

Sulfur trioxide

c)

Sulfur(II) oxide

d)

Monosulfur trioxide

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