Counting Elements
8th Grade
•15 Qs
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Counting Elements
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content in a minute
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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