Atoms and Molecules

Atoms and Molecules

9th Grade

14 Qs

quiz-placeholder

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Atoms and Molecules

Atoms and Molecules

Assessment

Quiz

Science

9th Grade

Hard

Created by

Classbit Team

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest particle of an element that retains its chemical properties?

molecule

ion

atom

compound

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three subatomic particles that make up an atom?

protons, neutrons, and positrons

protons, electrons, and photons

protons, neutrons, and quarks

protons, neutrons, and electrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle has a positive charge?

neutron

electron

proton

photon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle has a negative charge?

electron

neutron

proton

positron

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle has no charge?

photon

neutron

electron

proton

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of an element?

The atomic number of an element is the number of protons in the nucleus of an atom.

The atomic number of an element is the number of protons and neutrons in the nucleus of an atom.

The atomic number of an element is the number of electrons in the nucleus of an atom.

The atomic number of an element is the number of neutrons in the nucleus of an atom.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mass number of an element?

Total number of electrons in the nucleus

Total number of protons in the nucleus

Total number of neutrons in the nucleus

Total number of protons and neutrons in the nucleus

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