45.00mL of 1.50 NaF is mixed with 55.0mL of M MgF2 calculate the resulting concetration of each substance

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

In which of these cases are the two wave points considered to be in phase with each other?

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5