stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemistry Unit 1 Flashcards | StudBud
Explore
/
Chemistry Unit 1
Chemistry Unit 1
20 terms
·
StudBud Administration
·
57 plays
Imported from external platform
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
How many sig figs are in 1.80 x 10^2
3
2
5
4
2
What is 4.28 x 10^-5 in standard form?
0.0000428
42,800
428,000
0.00428
3
Baseball bats are an example of pure science?
False
True
4
What is true about a scientific law?
It never changes
Explains scientific theories
It states what happened.
It describes why something happened
5
How many sig figs are in 0.000004022
10
9
4
3
6
What is 3,789,000 in scientific notation?
3789 x 10^3
0.3789 x 10 ^ -7
3.789 x 10^-6
3.789 x 10^6
7
How many sig figs are in 78,000,000
8
1
2
5
8
You should use all of your senses to make observations in chemistry class.
True
False
9
A quantitative observation must include a measurement
True
False
10
Round to the correct number of sig figs. 24.6209/0.003048
8077.7
8,077.7231
8078
8077
11
Round your answer to the correct number of sig figs. 98.1 x 0.03
2.94
3
2.943
2.9
12
Chemistry is the study of . . .
The composition and properties of matter
The life processes of living things
Chemicals
Elements and Compounds
13
Round to the correct number of sig figs. 78.44 - 24.685
53.755
53.76
53.8
54
14
All matter is considered to be chemicals.
False
True
15
Round to the correct number of sig figs. 61 + 7.459
68.46
68.5
68.459
68
16
What is NOT true about a scientific theory?
It explains a scientific law
It is subject to change
It explains what happened
It is based on evidence
17
Which of the following is a qualitative observation?
My dog is black
There are 7 lamps in my living room
Aluminum is silver
My child weighs 22 pounds
18
I am ready for this test.
Yes!
Nope, I need to study.
19
How do scientists solve problems?
With technology
Letting others do it
Experiments
The scientific method
20
Inorganic chemistry studies?
All elements except carbon
The composition of matter
Carbon
The chemistry of living things
