Average Atomic Mass
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is average atomic mass?
Back
The average atomic mass is the weighted average of the masses of an element's isotopes, taking into account their relative abundances.
2.
FLASHCARD QUESTION
Front
How do you calculate the average atomic mass of an element with multiple isotopes?
Back
To calculate the average atomic mass, multiply the mass of each isotope by its relative abundance (as a decimal), then sum these values.
3.
FLASHCARD QUESTION
Front
What is the average atomic mass of silicon?
Back
28.09 amu.
4.
FLASHCARD QUESTION
Front
What is the average atomic mass of silver?
Back
107.8677 amu.
5.
FLASHCARD QUESTION
Front
If an element has isotopes with masses of 75.23 amu (24.1%), 74.61 amu (48.7%), and 75.20 amu (27.2%), what is its average atomic mass?
Back
74.92 amu.
6.
FLASHCARD QUESTION
Front
What is the average atomic mass of magnesium with isotopes?
Back
24.31 amu.
7.
FLASHCARD QUESTION
Front
How do you express the relative abundance of an isotope as a decimal?
Back
To express relative abundance as a decimal, divide the percentage by 100.
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?
