Empirical Formulas
Authored by Kelly Allen
Chemistry
9th - 12th Grade
NGSS covered
Used 601+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A formula with the lowest whole # ratio of elements in a compound is called
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the empirical formula for C4H6?
CH
CH3
C2H3
C4H6
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
SO
SO2
SO3
SO4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the empirical formula for N2S3?
NS
N3S2
N2S3
N1S1.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the following: 42.07% Na, 18.89% P, and 39.04% O, determine the empirical formula.
NaPO2
Na2PO3
Na3PO4
NaPO4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which pair has the same empirical formula?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A compound consists of 72.2% magnesium and 27.8% nitrogen by mass. What is the empirical formula?
Mg4N3
MgN2
Mg3N2
MgN
Tags
NGSS.HS-PS1-7
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