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Chemistry Chapter 3

Authored by Nicole Torres

Chemistry

7th - 9th Grade

NGSS covered

Used 441+ times

Chemistry Chapter 3
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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Most of an atom's mass is in the 

nucleus
proton
electron cloud
neutron

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An atom is the smallest part of an element.  T/F

True
False

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Neutrons have what kind of charge?

positive
negative
neutral

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Neutrons have what kind of charge?

positive
negative
neutral

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the symbol for mercury?

Mg
Hg
Me
K

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the chemical symbol for sodium?

K
Na
S
Sd

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An atom contains ____ in various energy levels.

protons
neutrons
electrons

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