1) Where does light come from, and what causes it to be a particular color? Describe the process by which an atom emits a photon. Your description should include ALL of the following:

1. The definition of a photon
2.What causes an electron to move from its ground state to an excited state?
3.What happens when an electron drops from an excited state back to its ground state?

The answer is the first option just took the test

08.01 hope this and can i get brainlist? ?

The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.

Mars contains iron oxide in its crust