Aparticle that has a negative charge is called

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

What is the molar mass of a gas that has density of 2.054 g/l

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest