Chem Review Sam

Chem Review Sam

8th Grade

61 Qs

quiz-placeholder

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Chem Review Sam

Chem Review Sam

Assessment

Quiz

Chemistry

8th Grade

Hard

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

+6

Standards-aligned

Created by

Charles Martinez

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61 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these determines the identity of an element?
number of electrons
number of protons
number of energy levels
number of neutrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is formed when two or more elements are  chemically combined?
atom
composite
compound
mixture

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements are described as pure substances because
they are found in nature.
they cannot be separated into parts by physical means.
they have no charge.
they can be produced in a laboratory.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The nucleus of an atom contains
only neutrons
protons and electrons
protons and neutrons
only electrons

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carbon and oxygen combine chemically to form carbon dioxide. Carbon dioxide is
an ion
a nucleus
a compound
an atom

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not made up of two or more substances that are combined physically?
homogeneous mixture
compound
heterogeneous mixture
solution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Filtration can be used to separate a mixture of
a solid and a liquid
a liquid and a gas
two liquids
two solids

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