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Atoms, Molecules, and Elements

Authored by Amanda Greeves

Science

6th - 8th Grade

NGSS covered

Atoms, Molecules, and Elements
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40 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which subatomic particle is located in the nucleus?

electron

proton

neutron

ion

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a proton?

Positive

Negative

Neutral

Variable

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest unit of an element?

atom

molecule

compound

particle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a compound?

Water (H2O)

Oxygen (O2)

Sodium Chloride (NaCl)

Carbon Dioxide (CO2)

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which group in the periodic table contains noble gases?

group 1

group 2

group 17

group 18

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are elements arranged in the periodic table?

Alphabetically

By atomic mass

By atomic number

By chemical reactivity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a physical change?

a) Burning wood

b) Digesting food

c) Melting ice

d) Rusting iron

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