Question

Look at 3 or 4 other atoms using the simulation. Do any of them ahve a whole number for atomic mass?

Answer 1

Answer:

There are three isotopes of silicons. They have masses numbers of 28, 29 and 30. The average amount of silicons is 28.086alum

Explanation:

I learned this in class three days ago so I hope this is helpful i'm in high school  ask me for help when ever you want Iĺl help you