Anyone want a girlfriend? I'm 16 and a gamer girl. lol I'm just lonely

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh