Nitrogen has an electronegativity of 3.0, and hydrogen has an electronegativity of 2.1. which describes the bond between nitrogen and hydrogen?
nonpolar
very polar covalent
ionic
moderately polar covalent

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

What produces wave a)sound b) heats c)transfer of energy d)vibrations