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Chemistry Intro
Chemistry Intro
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Chemistry intro quiz
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
What kind of graph would you use to show change over time?
Bar
Dot Plot
Circle
Line
2
Molecules are made of two or more what?
Substances
Atoms
Mixtures
Molecules
3
What type of elements are the ones to the right of the staircase?
Transition Metal
Metal
Non metal
Alkaline
4
What type of graph would you use to compare things?
Bar
Dot Plot
Line
Circle
5
What kind of graph would you use to show parts of a whole?
Circle
Dot Plot
Bar
Pie
6
Which of these is a chemical change?
Water is heated into steam
Water turns into ice cubes
Fireworks exploding
Piece of copper is cut in half
7
What is the atomic weight of oxygen? (estimate)
15
16
14
12
8
How would you rewrite 500,000 the long way?
5 x 10^5
.05 x 10^5
50 x 10^5
500 x 10^5
9
What is 137,000,000 in scientific notation?
13.7 x 10^8
.137 x 10^8
1.37 x 10^8
137 x 10^8
10
How would you write .00068 in scientific notation?
6.8 x 10^-4
.68 x 10^-4
.068 x 10^-4
68 x 10^-4
11
What is 902,000,000 in scientific notation?
90.2 x 10^8
9.02 x 10^8
.902 x 10^8
902 x 10^8
12
Solutions can easily be separated.
False
True
13
Which of these is a physical change?
Milk sours
Food digestion in the stomach
Paper burns
Crushing sugar
14
What unit would you use to measure weight?
in
km
g
years
15
What is scientific notation?
Scientific way to write big numbers
Quick way to write big numbers
Lazy way to write big numbers
All of the above
16
What is chemistry?
Study of what things are made up of
Study of life
None of the above
Study of chemicals
17
What is conservation of mass?
Energy can be created or destroyed
Mass cannot be created or destroyed
Energy cannot be created or destroyed
Mass can be created or destroyed
18
What is a mixture?
Substances that are chemically bonded together
Stuff mixed together
None of the above
Substances that are not chemically bonded together
19
What power do we work with when talking about scientific notation?
1000
1
100
10
20
How would you write 5.4 x 10^-4 the long way?
.00054
.000054
.054
.0054
21
What is also known as an educated guess?
Data
Conclusion
Hypothesis
Observation
22
What do scientists to solve a problem?
Experiments
Guess
Nothing
Argue
23
What are SI units?
Units
Numbers
Metric Units
Canadian Units
24
Which of these is a chemical change?
Chopped up vegetables
Ice melting
Rusted pipe
Food coloring
25
How many neutrons does carbon have?
56
7
6
12
26
What is the symbol for copper?
Cu
Co
Cp
C
27
Compounds have only one kind of molecule.
True
False
28
What time of mixture is uniform?
Substance
Compound
Heterogeneous
Homogeneous
29
What is the atomic number for carbon?
1
4
23
6
30
Compounds are the same as mixtures.
False
True
