Structure of an Atom

Structure of an Atom

9th Grade

20 Qs

quiz-placeholder

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Structure of an Atom

Structure of an Atom

Assessment

Quiz

Chemistry

9th Grade

Medium

NGSS
MS-PS1-1, MS-PS2-3, HS-PS1-8

Standards-aligned

Used 3K+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the atomic number?

number of protons
number of neutrons

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which element has 31 protons ?

Gallium 
Germanium
Gadolinium
Polonium

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

What number indicates the nucleus?

1
2
3
4

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Oxygen’s atomic number is 8. This means that an oxygen atom must have

8 electrons
8 protons
8 neutrons
a mass number of 8

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What number indicates an electron?

1
2
3
4

Tags

NGSS.MS-PS2-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement best describes an electron?

Smaller mass than a proton and a negative charge
Smaller mass than a proton and a positive charge
Greater mass than a proton and a negative charge
Greater mass than a proton and a positive charge

Tags

NGSS.MS-PS2-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What number indicates the nucleus?

1
2
3
4

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