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Unit 3 Quiz Study Guide- Cogan

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

The chemical formula for water is H2O. What 2 elements combine to form this compound?

a)

Carbon & Oxygen

b)

Hydrogen & Carbon

c)

Oxygen & Helium

d)

None of these

2.

Anything that is composed of molecules and takes up space, is called what?

a)

Matter

b)

Mass of electrons

c)

Liquid Orbitals

d)

Chemical Domination

3.

The small region at the center of an atom, which contains protons & neutrons, is known as the ...?

a)

Nuclear Hypothesis

b)

Nucleus

c)

Volume of Mass

d)

Electron Cloud

4.

Which of the following elements if often used to make fertilizer, to benefit plant growth?

a)

Hydrogen

b)

Carbon

c)

Nitrogen

d)

Oxygen

5.

Making gravel from larger rocks, is an example of what scientific concept ………. ?

a)

Physical Change

b)

Planetary Change

c)

Chemical Change

d)

Photographic Change

6.

An atom is a basic unit of matter, that makes up every living & non-living thing. It is the smallest component of a what…….. ?

a)

Element

b)

Metric Conversion

c)

Dynamic chemical

d)

Atomic Solvent

7.

If the Atomic Number of a Carbon atom is 6, then how many Protons are located in the nucleus?

a)

8

b)

6

c)

12

d)

4

8.

Which particle orbits outside the nucleus & has a negative charge ……………… ?

a)

Protons

b)

Neutrons

c)

Kryptons

d)

Electrons

9.

The process of changing from a Solid directly into a Gas, like dissolving Dry Ice, is called?

a)

Boiling

b)

Freezing

c)

Sublimation

d)

Condensation

10.

A state of matter where particles flow freely, with a definite volume, but no definite shape is a?

a)

Gas

b)

Proton

c)

Liquid

d)

Solid

11.

Which subatomic particle is located in the nucleus & has a positive charge………?

a)

Neutrons

b)

Electrons

c)

Hydrogen

d)

Protons

12.

The process of changing from a Gas directly to a Solid, like frost on a window, is called...?

a)

Deposition

b)

Condensation

c)

Evaporation

d)

Sublimation

13.

Burning firewood, is an example of what scientific concept……….?

a)

Climate Change

b)

Chemical Change

c)

Compound Change

d)

Physical Change

14.

Lightning Bolts are considered an example for what state of matter…..?

a)

Gas

b)

Solid

c)

Plasma

d)

Dynamics

15.

Regarding states of matter, which of the following elements is normally considered a Liquid?

a)

Argon

b)

Hydrogen

c)

Oxygen

d)

Mercury