It can tell us how old they are and how and where they moved in the past.
The answer is Cc reactants break bonds and form new bonds to make new substances
Answer: Hydrocarbons
Explanation:
Hydrocarbons refer to binary compounds of carbon and hydrogen. The carbon-hydrogen bond is no polar so hydrocarbons are non polar compounds. They are commonly used as fuels and as waxes. They may be aromatic, aliphatic or cyclic in structure.
Answer:
Florine has 9 atomic number so it has 9 electrons. So, add 1 to the number of electrons it has. 9 + 1 = 10. F-
Explanation:
Isotopes are two atoms with the same number of protons, but a different number of neutrons. Because they have the same number of proton they are atoms of the same element, but with different masses.
so, the answer is c.
i hope this will help you
