Yes, because it has mass, takes up space, & made of Atoms.

The number of protons:

is always the same in a single element.

TIE BREAKER: Valence electrons...

orbit the outer shell of an atom.

Carbon's atomic number is 6. Oxygen's atomic number is 8. Which of the following is true?

Oxygen has 2 more protons than Carbon does

When we find an object's Mass/Volume, we can:

determine it's Density and compare it to similar objects.

When a substance changes from a liquid to a solid:

the molecules connect more strongly to one another.

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Quarter 1 Review

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Review of Properties of Matter, Forms of Energy, Atoms, and the Periodic Table.

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Questions 16

Answers

1
In a solid material, such as a table, the molecules are:
Never moving
Frozen
Always moving
Only move when heated
2
Is Air Matter?
No, because you can't see it.
No, because it does not have mass or take up space. No Atoms
Yes, because it smells like oxygen.
Yes, because it has mass, takes up space, & made of Atoms.
3
When a gas turns to a solid, which phase change is occurring?
Sublimation
Deposition
Freezing
Melting
4
According to the Law of Conservation of Mass, which reaction must be TRUE:
O+H2=OH3
O+H2=OH
O+H2=H
O+H2=OH2
5
The number of protons:
is never the same as the atom's neutrons.
is never the same as the atom's electrons.
is always different in the same element.
is always the same in a single element.
6
Which is an example of a Chemical Reaction:
Breaking glass
Splitting wood
Fire burning
Cutting your hair
7
TIE BREAKER: Valence electrons...
orbit the outer shell of an atom.
orbit in the middle shells of an atom.
are a type of ion.
orbit the inner shell of an atom.
8
Which of the following is an example of a Physical Change:
Digesting food
Mixing baking soda and vinegar
Chewing on gum
Ice melting
9
An Exothermic Reaction is an example of what type of energy?
Gravitational Energy
Radiant (Light) Energy
Chemical Energy
Thermal (Heat) Energy
10
A substance has more kinetic energy when it is:
Warm
Hot
Room Temperature
Cold
11
Carbon's atomic number is 6. Oxygen's atomic number is 8. Which of the following is true?
Carbon has 2 more neutrons than Oxygen does
Carbon has 2 more protons than Oxygen does
Oxygen has 2 more neutrons than Carbon does
Oxygen has 2 more protons than Carbon does
12
Mass is:
Impartial
Insignificant
Constant
A measure of gravitational pull on an object
13
When we dissolved lemonade powder in water, this was an example of:
A Physical Change
An Endothermic Reaction
An Exothermic Reaction
A Chemical Reaction
14
Which of the following is an example of a Chemical Reaction:
Rust
Food coloring in hot water
Ice melting
Paper being cut
15
When we find an object's Mass/Volume, we can:
determine it's shape and compare it to similar objects.
determine it's Density and compare it to similar objects.
determine it's half life and compare it to similar objects.
measure it's mass and compare it to similar objects.
16
When a substance changes from a liquid to a solid:
the substance becomes a gas.
the molecules form loose bonds.
the molecules connect more strongly to one another.
the substance is melting.

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