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Ch 9 Science Test

Total questions: 23

Worksheet time: 19mins

Name
Class
Date
1.

the smallest unit of an element that has the properties of that element

(a)  

2.

the gradual wearing away of a metal as it combines with nonmetals in its environment

(a)  

3.

the amount of matter in a certain volume of a substance; found by dividing the mass of an object by its volume

(a)  

4.

the ability to be pulled into thin wires without breaking

(a)  

5.

a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge

(a)  

6.

a pure substance that cannot be broken down into any simpler substances through chemical reactions

(a)  

7.

the ability to be bent, flattened, hammered, or pressed into new shapes without breaking

(a)  

8.

anything that has mass and takes up space

(a)  

9.

any of a group of elements that conducts heat and electricity, has a shiny luster, and is flexible

(a)  

10.

a particle that contains more than one atom joined together

(a)  

11.

the center of an atom that has most of its mass

(a)  

12.

a measure of how much space an object takes up

(a)  

13.

The state of matter that most elements are at room temperature.

a)

solid

b)

liquid

c)

gas

d)

plasma

14.

The two most common elements in the universe

a)

hydrogen

b)

helium

c)

oxygen

d)

nitrogen

15.

Protons are a

a)

negative charge

b)

positive charge

c)

neutral charge

16.

Neutrons are a

a)

negative charge

b)

positive charge

c)

neutral charge

17.

Electrons are a

a)

negative charge

b)

positive charge

c)

neutral charge

18.

Electrons are found

a)

in the nucleus

b)

around the nucleus

19.

Protons are found

a)

in the nucleus

b)

around the nucleus

20.

Neutrons are found

a)

in the nucleus

b)

around the nucleus

21.

What two are exactly equal in the atom of an element?

a)

protons

b)

neutrons

c)

electrons

22.

Which one is close to the amount of protons, but may not be exactly the same amount?

a)

protons

b)

neutrons

c)

electrons

23.

Name the unit of measurement used to find weight.

(a)