Answer: Ionic radii is half the distance between two ions.
Explanation: from top to bottom down an element group, ionic radius increases. This is because a new electron shell is added as you move down the periodic table.
Might Be wrong not sure :)
It means to change, and form means shape. So to transform is to change shape.
Answer:
I think the answer is gravity
A
Explanation:
Because it does not change entirely.
