
Empirical and Molecular Formula
Authored by Galen Reid
Chemistry
9th - 12th Grade
NGSS covered
Used 4+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent by mass of oxygen in MgO?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent by mass of sodium in NaCl?
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the percent composition by mass of oxygen in the compound MgSO4 (gram formula mass = 120 g/mol)?
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A formula with the lowest whole # ratio of elements in a compound is called
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
30 sec • 1 pt
What is the empirical formula of a substance with the molecular formula C2H4?
C2H2
C2H2
C1H1
CH2
Tags
NGSS.MS-PS1-1
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?