If the ability of an Alkaline Earth Metal to form a precipitate is an indication of its ability to react with other substances, what order would you place them in from most reactive to least?

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

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Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)