Which of the following substances is made up of only one kind of atom? A. Iron

B. Salt

C. Steel

D. Water

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]

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery