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Unit 2 - The Atom Test Review

Authored by Nicole Giammo

Science

8th - 9th Grade

NGSS covered

Used 53+ times

Unit 2 - The Atom Test Review
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Experiments with cathode rays led to the discovery of the

electrons
nucleons
protons
neutrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Isotopes are atoms of the same element that have different

masses
# of protons
# of electrons
chemical properties

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All atoms of the same element have the same

atomic mass
mass number
number of neutrons
atomic number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is

13
14
27
40

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are electrons of an atom found?

Nucleus
Electron Cloud
Some are in the nucleus and some in the electron cloud.
They are moving everywhere.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a positively charged subatomic particle found in the nucleus of an atom?

Electron
Proton
Neutron
Quark

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What carries no charge 

Neutrons
Electrons
Protons

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