GIVING ! If there is no external force on a moving object, it will A maintain the same state of motion.
B keep moving with constant
velocity

C gradually speed up.

D stop moving.

E gradually slow down until it stops.

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]

Which substances have the lowest melting points: ionic covalent, or metallic

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.