8th Grade: Chemistry Unit Review

8th Grade: Chemistry Unit Review

8th Grade

30 Qs

quiz-placeholder

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8th Grade: Chemistry Unit Review

8th Grade: Chemistry Unit Review

Assessment

Quiz

Chemistry

8th Grade

Medium

NGSS
MS-PS1-1, MS-PS1-5, MS-PS1-2

+3

Standards-aligned

Created by

Kendall Archer

Used 377+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

For a chemical equation to be balanced, reactants and products must have what?

More atoms in the product than atoms in the reactant

Equal number of compounds

Equal number of molecules

Equal number of atoms of each element

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

True or False: A "group" on the periodic table is also known as a "family".

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of valence electrons an atom has can be determined by looking at what?
The atom’s period number
The atom’s group/family number
The atom’s atomic number
The atom’s atomic mass

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of an atom's valence electrons directly affects the atom's what?
Atomic mass
Physical properties
Reactivity
Atomic number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In an atom, which of the following has a NEGATIVE charge?

Protons

Neutrons

Electrons

Protons & neutrons

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the definition of a chemical change?
A new substance is produced
Matter is lost during a chemical change
New matter is created

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements in the same________ have similar chemical & physical properties.
Family
Group
Neither answer is correct
Both answers are correct

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