The two elements mixed together to form a chemical bond and reacted as a chemical change
I think the answer is:
B. Chemical Change.
Answer: AIP
There are two types of substances mixture and pure substance. Mixture has NO chemical formula and a pure substance has a chemical formula. There are two types of pure substances, elements (mono atomic and molecular) and compounds ( covalent and ionic).
Ionic compounds do not exist in independent molecular form. They form three dimensional crystal lattice, in which each ion is surrounded by oppositely charged ion. so the ratio of ion is called the formula unit
True because evryone reacts a different way
3H + 3Br = HBr9 Organic chemistry mechanism
