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Atomic Structure, Valence Electrons, Periods and Groups

Authored by Shawna Crews

Chemistry

8th Grade

NGSS covered

Used 917+ times

Atomic Structure, Valence Electrons, Periods and Groups
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particles make up the nucleus of an atom?

protons and neutrons
electrons and protons
electrons, protons, and neutrons
electrons and neutrons

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

An element with a mass number of 10 and an atomic number of 6 has how many protons?

5
8
6
10

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many electrons does Si contain? (click to see image)

14
28
2
4

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A positively charged particle found in the nucleus of the atom

Proton
Electron
Neutron

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The negative charge particles that float around the outside of the atom

Proton
Neutron
Electron

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are valence electrons?

electrons on the first shell

nucleus

the outermost shell

the electrons on the outermost shell (energy level)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

The subatomic particle that determines the identity of an element.

neutron
proton
electron
outer shell

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