Which of an atoms electrons are involved in chemical reactions

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 5.35 mol fe and 7.65 mol nio(oh) react?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?