Which of the following is characteristic property of the alkaline earth metals?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

If an atom has 12 protons and 13 neutrons

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 4.20 mol fe and 6.70 mol nio(oh) react?