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Matter Matters Unit Review Flashcards | StudBud
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Matter Matters Unit Review
Matter Matters Unit Review
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This is designed to help review key concepts of 6th grade chemistry.
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
In a solid, the atoms move around alot.
False
True
2
When particles move more and spread out, it is called....
thermal contraction
thermal expansion
hot
cold
3
In the chemical formula,
3
CH
4
, the
3
is called a ........
molecule
symbol
subscript
coefficient
4
NH
3
is an example of a ....... for a molecule.
chemical formula
chemical recipe
solution
chemical bond
5
Chemistry is.....
the study of weight
the study of matter and how it changes
the study of mass
the study of humans
6
The scientific term for heat is....
temperature
hot
thermal energy
kinetic energy
7
Solids have an indefinite shape.
False
True
8
The measure of how hot or cold something is.....
temperature
thermal energy
thermal contraction
kinetic energy
9
In the molecule, 3H
2
O, what are the two elements
helium, oxygen
hydrogen, oxygen
hydrogen, osmium
helium, osmium
10
In the molecule, 3H
2
O
2
, how many atoms of oxygen are there?
2
12
4
6
11
When a solid changes to a liquid, it is called....
condensation
freezing
melting
vaporization
12
What subatomic particle determines the identity of an element?
quarks
protons
electrons
neutrons
13
The basic building blocks of all matter is/are....
mass
nothing
volume
atoms
14
Thermal contraction happens when ....... is taken away.
temperature
kinetic energy
cold
thermal energy
15
In the molecule, 2C
3
H
3
, how many atoms of carbon are there?
3
6
12
none
16
When a solid changes to a gas it is called....
melting
sublimation
condensation
freezing
17
In the chemical formula, 3CH
4
, the
4
is called a ..........
molecule
coefficient
symbol
subscript
18
In the molecule, C
3
H
8
, how many elements are there?
2
11
24
8
19
Which of the following is NOT a state of matter?
liquid
gas
space
solid
20
Atoms are arranged touching but moving around in a gas.
True
False
21
Matter is.....
a measurement of weight
a measurement of mass
anything that has volume
anything that has mass and takes up space
22
In the molecule, CO
2
, how many atoms of calcium are there?
0
1
2
3
23
A liquid has an indefinite shape.
False
True
