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Chemistry Chap 1-2 Study Guide

Total questions: 54

Worksheet time: 12hrs 18mins

Name
Class
Date
1.

The study of carbon containing compounds.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Physical Chemistry

d)

Biochemistry

2.

The study of compounds that do not contain carbon.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Biochemistry

d)

Analytical Chemistry

3.

The identification of the components and composition of materials refers to___________________________

a)

Biochemistry

b)

Physical Chemistry

c)

Organic Chemistry

d)

Analytical Chemistry

4.
A measure of how much matter an object has is--
a)
weight
b)
gravity
c)
mass
d)
volume
5.
All matter is made of what?
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
6.

What kind of physical property is this? Density

a)

intensive

b)

extensive

7.

What kind of physical property is this? Boiling Point

a)

intensive

b)

extensive

8.

What kind of physical property is this? Length

a)

intensive

b)

extensive

9.

What kind of change occurs if matter changes in amount, size, or shape?

a)

substance change

b)

physical change

c)

chemical change

d)

elemental change

10.

What is the example of the physical change?

a)

Burning firewood

b)

Rotting Banana

c)

Pencil breaking

11.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

12.

What does it mean if a mixture is homogeneous?

a)

you can see the different parts

b)

cannot distinguish the parts

c)

consists of two phases

13.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
14.

The horizontal rows on the periodic table are called:

a)

periods

b)

elements

c)

groups

d)

matter

15.
a)
Periods
b)
Groups
16.
Which of the following is typically a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
17.
Some characteristics of a metal are that it is malleable and ductile.
a)
TRUE
b)
FALSE
18.

T/F: A quaNtitative measurement does include a number quantity.

a)

True

b)

False

19.

A qualitative observation focuses on the quantity of an object, true or false?

a)

True

b)

False

20.

Which SI unit is used to measure mass?

a)

s

b)

m

c)

kg

d)

Pa

21.

Which SI unit is used to measure time?

a)

K

b)

s

c)

mol

d)

N

22.

Which SI unit is used to measure temperature?

a)

m

b)

K

c)

s

d)

A

23.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
24.
Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
a)
6 cm3
b)
12 g/cm3
c)
128 g/cm3
d)
8  g/cm3
25.

Does density change when the temperature changes?

a)

True

b)

False

26.
How many significant figures does the following number have?
0.00345
a)
6
b)
5
c)
3
d)
Ambiguous: 3,4,5, or 6
27.

How many significant figures does the following number have?1.2500 x 10310^3  

a)
5
b)
3
c)

Ambiguous: 3 or 5

d)

7

28.
How many significant figures does the following number have: 0.002040
a)
4
b)
6
c)
5
d)
7
29.
 How many significant figures does the following number have: 0.0003 & 0.00030
a)
1, 2
b)
5, 6
c)
4, 4
d)
4,5
30.

How would you write 4.3756 x 104 in standard form?

(a)  

31.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

32.

Which of the following numbers is written in scientific notation?

a)

20.35 x 104

b)

.2035 x 104

c)

2035 4

d)

2.035 x104

33.

Convert to scientific notation:


520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

34.
How many sig figs are there?
100000000
a)
1
b)
9
c)
10
35.
How many sig figs are there?
100.00
a)
1
b)
3
c)
4
d)
5
36.
Solve the problem below, and choose the answer with the correct number of significant figures and the correct units.
2.50g  ÷  5.0mL  =  ???
a)

0.5 g/mL

b)

0.50 g/mL

c)

0.500 g/mL

d)

7.5 g / mL

37.
convert 30 cm to m
a)
300
b)
3
c)
0.03
d)
0.3 m
38.
convert 0.08 km to m
a)
80
b)
8
c)
0.8
d)
800
39.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
40.
Convert the following measurement:
7.25kg = ?g
a)
725g
b)
7250g
c)
.00725g
d)
7.250g
41.

Which conversion factor would be needed?

a)
b)
c)
d)
42.

What elements tend to be brittle and have some properties of metals and nonmetals?

a)

Metalloids

b)

Metals

c)

Non-Metals

d)

Noble Gases

43.
It is a measure of how close measurements come to each other when they are made in the same way
a)
Accuracy
b)
Precision
c)
Error
d)
Extrapolation
44.

How close a measurement is to the accepted value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

45.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
46.

The accepted value for an apple to drop 2 meters is .64 seconds. Isaac dropped an apple from 2 meters and it took .62 seconds to hit

the ground. What is the percent error?

a)

3.8%

b)

3%

c)

4%

d)

3.9 %

47.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
48.

What is the formula for Mass?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

49.
Which box has a greater density?  
a)
Box A
b)
Box B
50.

A plasma can be made in a laboratory by

a)

cooling a gas to very low temperatures

b)

cooling a gas and reducing the pressure

c)

heating a gas to extremely hot temperatures

d)

heating a liquid to the point it turns into a gas

51.

In a plasma the electrons are no longer associated with a particular nucleus.

a)

True

b)

False

52.

The center of the atom is the

a)

nucleus

b)

proton

c)

neutron

d)

electron

53.

The negatively charged particles of an atom are the

a)

electrons

b)

protons

c)

neutrons

54.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron

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