If an atom has 16 protons, 15 neutrons, and 19 electrons, what is the atom's electrical charge?
a. -3
b. 1
c. -1
d. 3

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

How is the way a mixture is combined different from how a compound is combined?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 3.75 mol fe and 8.70 mol nio(oh) react?