Questions


May 2021 1 16 Report
The mass of an electron is about ................times the mass of an hydrogen . *

a)1/10

b)1/200

c)1/2000

d)1/800

Answers & Comments


Add an Answer


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 EHUB.TIPS team's - All rights reserved.