Choose two of the following elements (potassium, silicon, bromide, oxygen, carbon) and combine them to form an Ionic Compound. Write the NAME and the chemical FORMULA for the compound they would form. *

Can someone me with 3 and 4 plz. this is for masteries test.

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

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?