Asign that a country is becoming economically developed is a a) blending of different ethic groups. b) decrease in the exportation of goods. c) move toward an authoritarian government. d) move away from a dependence upon agriculture. hurry! 15 points! tysm!

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]

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.