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CBA Review

Total questions: 45

Worksheet time: 59mins

Name
Class
Date
1.

CuS

a)

copper sulfide

b)

copper (I) sulfide

c)

copper (II) sulfide

d)

copper (i) sulfate

2.

Strontium nitride

a)

SrN

b)

Sr3N2

c)

Sr2N3

d)

N3Sr2

3.
Lead II 
a)
Ld +2
b)
Pb +2
c)
Pd +2
d)
Ld +2
4.
Cobalt III
a)
Cu +3
b)
Co +3
c)
Cu -3
d)
Co -3
5.
What is one way to recognize a transition metal?
a)
If it has a roman numeral
b)
it says that it is a transition metal
c)
you cant recognize it
d)
it has 4 elements
6.

The name of KCl is _____________ (follow the IONIC RULES)

a)

Potassium Chlorine

b)

Potassium Chloride

c)

Potassium Monochloride

7.

What prefix for we use to indicate 4 atoms in a covalent compound?

a)

Nona

b)

Penta

c)

Tetra

d)

Quatro

8.

Covalent compounds are between a non-metal and a ________________.

a)

Metal

b)

Non-metal

c)

Atom

d)

Acid

9.

what does c stand for?

a)

heat capacity

b)

specific heat

c)

mass

d)

temperature

10.

What is the symbol for entropy?

a)

H

b)

G

c)

S

d)

E

11.
Read the following chemical formula: C6H12O6. How many hydrogen atoms are in the formula?
a)
12
b)
6
c)
4
12.
What are the coefficient used to balance the equation below?
__Ag2O →__ Ag +___O2
a)
2,4,1
b)
1,1,1
c)
2,1,2
d)
2,2,2
13.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
14.
What is the formula Charles' Law?
a)
V = T
b)
VT = VT
c)
T1 / V1 = T2 / V2
d)
V1 / T1 = V2 / T2
15.
At 17 °C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atmospheres. What is the volume of the container?
a)
22.9 Liters
b)
2355 Liters
c)
0.0630 Liters
d)
15.9 Liters
16.
What is the variable for this number 68 mL
a)
P
b)
T
c)
n
d)
V
17.
What is the variable for this number 122 K
a)
P
b)
T
c)
n
d)
V
18.

352mL of chlorine under a pressure of 680 mmHg are placed into a container under a pressure of 1210 mmHg. The temperature remains constant at 296K. What is the volume of the container?

a)

197.82 mL

b)

234.68 mL

c)

178.23 mL

d)

323.98 mL

19.
How many moles are there in 12.7g of CaF2?
a)
0.20 mol
b)
1,000.76 mol
c)
6.14 mol
d)
0.16 mol
20.
How many moles of (NH4)2O are present in 74.9 g?
a)
3,907.0  moles
b)
1.44 moles
c)
8.67x1023moles
d)
0.79 moles
21.
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
a)
1.16%
b)
116%
c)
85%
d)
76%
22.

How many grams of Fe2O3 are present in 0.82 mol Fe2O3?

a)

130 g

b)

65 g

c)

195 g

d)

260 g

23.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
24.
Negatively charged particles found outside of the nucleus are called
a)
electron
b)
protons
c)
neutrons
d)
nucleons
25.
What type of reaction is this?
a)
alpha
b)
beta
c)
gamma
d)
quiet
26.
If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:
a)
16
b)
32
c)
48
d)
64
27.

If the substance is neutral, what would the pH be?

a)

3

b)

5

c)

7

d)

9

e)

11

28.

Which of these pH values represent an acid?

a)

4

b)

8

c)

10

d)

12

29.

A substance with a pH of 5 is which of the following?

a)

acid

b)

base

c)

neutral

30.

A substance with a pH of 11 is which of the following?

a)

acid

b)

base

c)

neutral

31.

If the pH of a solution is 4.0, what is the pOH?

a)

4.0

b)

10.0

c)

1.0 x 10 -4

d)

cannot be determined from the information

32.

If the [H3O+] of a solution is 1 x 10-3 M, the pH is

a)

11

b)

-3

c)

3

d)

1

33.

What is the pOH of a solution with [H+] = 1.24 x 10 -2?

a)

1.91

b)

1.61

c)

12.09

d)

12.39

34.

Based on the image on the last slide. As you go across a period, does the atomic radius get smaller or larger?

a)

Smaller

b)

Larger

c)

Stays the same

35.

The number of each period represents the number of

a)

energy levels

b)

neutrons

c)

electrons

d)

nuclei

36.

Rows on the modern periodic table are called

a)

groups

b)

periods

c)

families

d)

gases

37.

Elements on the modern periodic table are arranged by

a)

atomic number

b)

atomic mass

c)

alphabetical order

d)

first two letters

38.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
39.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
40.

The energy of motion

a)

boiling

b)

density

c)

element

d)

Kinetic energy

41.

Matter is neither created nor destroyed, only changes form.

a)

law of conservation of matter

b)

heat

c)

matter

d)

liquid

42.

two or more substances combined (mixed) physically, but not chemically.

a)

mixture

b)

compound

c)

element

d)

atom

43.

elements always found to the LEFT of the jagged line on the periodic table.

a)

metals

b)

non-metals

c)

metalloids

d)

compounds

44.

elements always found to the RIGHT of the jagged line on the periodic table.

a)

non-metals

b)

metals

c)

metalloids

d)

elements

45.
The number that appears on the bottom right of a chemical symbol indicating how many atoms there are for that element.
a)
subscript
b)
superscript
c)
coefficient
d)
squared

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