
Molecular Formula
Authored by Lisa Thompson
Science
11th Grade
NGSS covered

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________
ionic formula
covalent formula
empirical formula
molecular formula
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?
CH2O
C2H4O2
C4H8O4
C6H12O6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molecular formula if the empirical formula is C2H5 and the molecular molar mass is 58.14 g/mol?
C2H5
C4H10
C1H2.5
C4H8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g.
K2SO4
K8SO16
K8S4O8
K8S4O16
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the correct molecular formula for glucose?
Tags
NGSS.HS-LS1-5
NGSS.HS-LS2-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4 carbon atoms, 11 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 14 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 11 hydrogen atoms, and 8 oxygen atoms
6 carbon atoms, 14 hydrogen atoms, and 3 oxygen atoms
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many nitrogen atoms are there?
4
8
10
20
Tags
NGSS.MS-PS1-1
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