Chemical Reactions and Counting Atoms

Chemical Reactions and Counting Atoms

11th Grade

20 Qs

quiz-placeholder

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Chemical Reactions and Counting Atoms

Chemical Reactions and Counting Atoms

Assessment

Quiz

Chemistry

11th Grade

Hard

NGSS
MS-PS1-1, MS-PS1-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If there is no subscript, there is ______ atom(s) of that element

0

1

2

10

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in the element Carbon in this compound?

H2C3O4N5

2

4

5

3

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many TOTAL atoms are in this compound?

H2C3O4N5

14

15

5

19

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is NOT a compound?

OH

H2Cr

PNi

Cr3

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Element or compound?

O2

Compound

Element

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct formula for:

three hydrogen (H)

one sulfur (S)

four oxygen (O)

H3SO4

HSO4

H4S3O

H2O

Tags

NGSS.MS-PS1-1

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