Chur answerwould be B concentrated in the nucleus
Answer:
Mass measures the amount of matter in a substance or an object. The basic SI unit for mass is the kilogram (kg). Volume measures the amount of space that a substance or an object takes up.
Explanation:
Answer:
I would say the answer is D
Explanation:
It’s like where two compounds positive ions which are called “Cations” remember paws for Cats paw as positive. And Negative ions which are called Anion, remember it as A Negative Ion= Anion.
And they would switch places to form a new compounds or products. Look at the Example!