
Emp. and Molecular Formulas
Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Standards-aligned
Kimberly Smith
Used 6+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
You are given the following percentages: 40.05% S and 59.95% O. Find the empirical formula for these elements.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A formula with the lowest whole # ratio of elements in a compound is called
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percentage of iron in iron(III)oxide?
5.
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_________
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An empirical formula:
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the best definition for subscript?
Tags
NGSS.MS-PS1-1
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