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Unit 1 -- Introduction to Chemistry Flashcards | StudBud
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Unit 1 -- Introduction to Chemistry
Unit 1 -- Introduction to Chemistry
30 terms
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#chemistry #measurement #sigfigs #matter
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Matter can be classified into two categories. What are they?
Pure Substance & Mixture
Homogeneous & Heterogeneous
Compound & Element
2
What are the units for mass
meters
Kelvin
liters
grams
3
What are the states of matter?
solid, liquid and plasma
solid, liquid, gas and plasma
solid, liquid and vapor
solid, liquid, gas and evaporation
4
What is the volume of the liquid?
7.0 mL
7.2 mL
66 mL
6.7 mL
5
What is 3.455 x 10
6
in scientific notation
0.000003455
345,500
3,400,000
3,455,000
6
Which state has a definite shape
liquid
gas
solid
7
What is the volume of the object?
15 mL
10 mL
5 mL
25 mL
8
Which one is a compound?
Au
KCl
W
Cu
9
How many sig figs are in 0.0000001345
5
11
4
10
10
What is the mass of the object?
200
80 g
120 g
130 g
11
What measurement instrument do we use to measure temperature
graduated cylinder
meter stick
thermometer
balance
12
Which state has the atoms closest to each other
liquid
gas
solid
13
Which state has the most energy
gas
solid
liquid
14
What is the volume of the liquid?
38 mL
360 mL
35 mL
36.8 mL
15
Can elements and compound be physically separated?
yes
no
16
Which state(s) has a definite volume
gas
solid
liquid
17
This measures...
temperature
length
volume
mass
18
How many sig figs are in 100000.0
6
1
2
7
19
What is the mass of the object?
58 g
140 g
100 g
142 g
20
what are the correct sig figs for 1.000034
7
2
6
3
21
Which liquid is less dense than water?
Dishwashing liquid
Honey
Honey
Edible oil
22
Chemistry is the study of
matter
the laws of the universe
the earth
life
23
Which fluid has the highest density
Water
Edible oil
Honey
Sugar syrup
24
Homogeneous or Heterogeneous?
Heterogeneous
Homogeneous
25
What measurement instrument do we use to measure mass?
scale
our minds
balance
meter stick
26
Homogeneous or Heterogeneous?
Heterogeneous
Homogeneous
27
What is 0.0000034 in scientific notation
34 x 106
3.4 x 106
34 x 10-6
3.4 x 10-6
28
How many sig figs are in 12402300
5
8
9
6
29
Which object has a higher density?
Right
Left
30
What are the units for volume
meters
grams
liters
Kelvin
