Counting Atoms Practice

Counting Atoms Practice

6th - 8th Grade

12 Qs

quiz-placeholder

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Counting Atoms Practice

Counting Atoms Practice

Assessment

Quiz

Science

6th - 8th Grade

Practice Problem

Medium

NGSS
MS-PS1-1, MS-PS1-5

Standards-aligned

Created by

M Abel

Used 68+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of each element are in NaCl?

Na=1, Cl=1

Na=2. Cl=2

Na=1, Cl-2

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in this substance: CaCO3

2

3

4

5

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a coefficient?

The small number on the right of the chemical symbol.
The large number to the left of a formula.

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Hydrogen atoms are in 4H2O?

6

8

2

4

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are there TOTAL in H2SO4 ?

6

5

7

3

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

4

2

8

24

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of Oxygen are in Fe(NO3)3 ?

6
3
9
1

Tags

NGSS.MS-PS1-1

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