What is the mass of 2.15 liters of N2 gas at STP? 1.82 grams
2.68 grams
2.92 grams
3.11 grams

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)