How many moles of H20 are contained in 4.21 x 1024 molecules of H2O? O A 2.53 x 1048 moles
OB. 2.34 x 1023 moles
C. 6.99 moles
OD. 0.143 moles

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which substance has non polar covalent bonds