Need answer !

two nonmetals share a set of electrons equally. what kind of bond is this? *

a) ionic
b) metallic
c) polar covalent
d) nonpolar covalent

Calculate the number of molecules present in 0.750 mol of mgo.

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?