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8th Grade Science 1st 9 Week SG

Authored by Jessica Turner

Science

8th Grade

Used 2+ times

8th Grade Science 1st 9 Week SG
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32 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an electrically neutral atom of any element, there are equal numbers of

protons and neutrons.

electrons and protons.

electrons and neutrons.

atomic number and atomic mass.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Physical or Chemical change: Baking a Cake

Physical

Chemical

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solid

The ability for one substance to dissolve into another

A form of matter that has a definite shape and volume

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Products

Number of Protons + Number of Neutrons

A pure substance made of only one kind of atom

Ending materials in a chemical reaction.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Metalloids

Elements that have properties of both metals and nonmetals; border the dark zig zag line

A substance made up of atoms of two or more different elements joined by chemical bonds

A region that is located at the center of an atom and contains most of the atom's mass

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Elements in the same group or family have the same...

Number of protons

Number of neutrons

Number of valence electrons

Atomic Mass

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Physical property, ability to bend or be molded

Malleability

Amorphous

Metalloids

Odor

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