Compounds and Formulae Review
Authored by Martha Tallent
Science
7th Grade
NGSS covered
Used 163+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Hydrogen are in H2O
1
2
3
more than 3
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different elements are present in H2COCH2
5
4
3
2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the number of Oxygen atoms in Al(OH)3
1
2
3
4
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ______ are numbers found on the lower right-hand side of an element symbol.
Coefficient
Exponent
Multiplier
Subscript
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coefficients in chemical formulas...
Multiply just the first atom
Add to the subscripts at the end of the molecule
Multiply elements without subscripts
Multiply EVERYTHING!
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4CF2Cl2
C = 4, F = 4, Cl = 2
C = 1, F = 8, Cl = 8
C = 4, F = 8, Cl = 8
C = 1, F = 4, Cl = 8
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C3H5(NO3)3
C = 3, H = 5, N = 3, O = 9
C = 3, H = 5, N = 1, O = 9
C = 9, H = 15, N = 3, O = 9
C = 9, H = 15, N = 1, O = 3
Tags
NGSS.MS-PS1-1
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