Answer:
sorry i never learned this
Explanation:
Hi I'm in Chemistry too this year,
I believe D is correct because usually physical changes are things like density, color or quantity.
You will find the smallest when u release the ball and the highest when the ball is in mid air glad I could help will u please make me brainliest
Answer:
1
Explanation:
outershell atoms of an element are also known as valency of that element
so the valency and number of elctron in the outershell of a sodium atom is +1.
hope this will help
mark me as brilliant
