Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.
Nuclear fossion hope this helps
Answer:
well there is no chose here is my best option i would chose
1 Electronegativity is the ability of an atom to attract electrons.
Explanation:
A. Molarity . Explaining about Moles