6. Which of the following isotopes has the same
number of neutrons as phosphorus-31?
a. 32P
b. 32S
c. 28Si
d. 29Si

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?