Counting Elements

Counting Elements

8th Grade

15 Qs

quiz-placeholder

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Counting Elements

Counting Elements

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS1-1

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

HCl has how many atoms of each element?

H=1, Cl=1

H=2, Cl=2

H=3, Cl=1

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are in this chemical formula: (NH4)2SO4

12

15

4

10

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are in this formula: Zn(NO3)2

3

5

9

7

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many elements are in this chemical formula: Zn(NO3)2

3

7

5

12

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are there TOTAL in:
H2SO4

6

5

7

3

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many Elements are in the compound C2H8O ?

2

1

3

0

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 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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