Sodium(na) is a highly reactive metal and chlorine is a poisonous gas. which compound do they form when they chemically combine?

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?