Counting Atoms 10/10
Interactive Video
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
Miss Buck
Used 3+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many different elements are present in the chemical formula KBr?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What are the little numbers called?
Coefficients
Subscripts
Superscripts
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In the chemical formula C6H12O6, how many hydrogen atoms are present?
6
12
1
24
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What are the big numbers called?
Coefficients
Subscripts
Superscripts
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If a chemical formula is written as 2NaCl, how many sodium (Na) atoms are there?
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In the chemical formula Al2(CO3)3, how many oxygen (O) atoms are present?
3
6
9
12
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Practice using this part of Chemical Compound (NH4)2SO4:
(NH4)2
How many Nitrogens are there in the formula?
1
2
3
4
Answer explanation
There are 2 because the 2 from outside the paratheses multiplies to everything in the parentheses.
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 Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
