Login
Home
TOP
Send feedback
Login
Subjects
Science TNSB Mentoring
Class 10
Atoms and molecules
Introduction to atom and its mass
3.
Atoms and molecules - I
Question:
2
m.
1
.
Protons, neutrons and electrons are known as a subatomic particle.
True
False
2
.
The average atomic mass is denoted by \(A_r\).
False
True
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!