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
Answer:
hi
Explanation:
Light is the result of electrons moving between defined energy levels in an atom, called shells.
Answer:
I believe it is Location C because northern is up and southern is down.
Explanation:
So the opposite of location A is C. Location A has the sun on it so I am assuming that is the Northern Hemsisphere. I really hope I am right.