Please help 20 points
For each of the following elements, write the electron dot notation then determine how many covalent bonds each could form to complete its valence energy level
A. sulfur (S)
B. hydrogen(H)
C. bromine (Br)
D. phosphorus (P)

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat