Hmm the answer is 2.454
No explanation needed it’s just 2.454
EM is created by moving charges back and forth will produce oscillating electric and magnetic fields, and these travel at the speed of light
Answer:
One atom lf helium has a mass of 4 u
Know that 1 u =1.66. 10-24g
The correct answer is A. CO2
hope this helps
Me neither tbh Goodluck with that tho