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Chemistry - 7th Grade

Chemistry

7th Grade

NGSS covered

Used 831+ times

Chemistry - 7th Grade
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105 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The atomic number of oxygen is

8

15.9994

16

O

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The atomic mass of nitrogen is

7

14.007

21.007

Cannot be known from the given

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The number of protons in a sulfur atom is

0

16

32

None of the above answers

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The number of electrons in a Lithium atom is

3

4

6

7

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The number of neutrons in a Beryllium atom is

4

5

9

9.012

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the elements in this compound.

Carbon, Helium, Oxygen

Chromium, Hydrogen, Oxygen

Calcium, Hydrogen, Oxygen

Carbon, Hydrogen, Oxygen

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The total number of atoms in this compound is

4

7

9

12

Tags

NGSS.MS-PS1-1

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