Login
Login
Sign up
Home
TOP
Send feedback
See more
Terms and Conditions
Privacy Policy
Subjects
Science CBSE Homework Assignments
Class 9
Structure of the atom
Atomic number and Mass number
1.
Atomic masses calculation
Task:
3
m.
Solve the
question
given below
:
Iron
has
26
protons and
30
neutrons.
Calculate
the
mass number
.
Answer
:
2
56
1
3
Login
or
Fast registration
Previous task
Exit to the topic
Next topic
Send feedback
Did you find an error?
Send it to us!