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Matter Properties & Changes Test Review

Authored by Madyson Pennington

Science

8th Grade

Used 10+ times

Matter Properties & Changes Test Review
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35 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 1 pt

Sodium is an element found in table salt. It contains 11 protons and 12 neutrons. How many electrons are found in a neutral atom of sodium?

23

12

11

1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is formed when two or more elements are chemically combined?

atom

composite

compound

mixture

4.

MULTIPLE CHOICE QUESTION

1 min • 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.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The nucleus of an atom contains

only neutrons

protons and electrons

protons and neutrons

only electrons

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How are the elements in the modern periodic table arranged?

alphabetical order

by atomic mass

by date discovery

by number of protons

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which elements in the periodic table are least likely to combine with other elements?

halogens

noble gases

alkaline earths

transition metals

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