Answer:
B.
Butter is a mixture of pure substances.
Explanation:
just poop and you will see
The answer is actually A, 1s 2s 2p 3s 3p 4s 3d 4p.
Answer:
Atoms get rearranged and make up different molecules. No atoms are created nor destroyed.
Explanation:
The chemical industry is a very important contributor to the wealth of a country. For example it contributes over 1% to the Gross National Product (GNP) of European countries, which is over 6% of the total GNP produced by all manufacturing industries.
