Which two pairs are isotopes (W)with neutron 6 and proton 6
(x) with neutron 7 and proton 7
(y) with neutron 8 and proton 6
(z) with neutron 8 and proton 8

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

When balancing a chemical equation: