Counting Atoms and Chemical Reactions

Counting Atoms and Chemical Reactions

8th Grade

55 Qs

quiz-placeholder

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Counting Atoms and Chemical Reactions

Counting Atoms and Chemical Reactions

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS1-1, MS-PS1-2, HS-PS1-7

+4

Standards-aligned

Created by

Charles Martinez

FREE Resource

55 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Magnesium are in 10MgCl2?
10
5
20

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Sodium (Na) are in 6NaCl?
1
12
6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in C6H12O6?
1
2
3
4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are there TOTAL in:
H2SO4
6
5
7
3

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Number of N in (NH₄)₂CrO₄
1
2
8
16

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(Element or Compound)
       C2H8
Element
Letters
Numbers
Compound

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
element symbol; atoms
atom; element symbol
subscript; protons
compound; elements

Tags

NGSS.MS-PS1-1

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