Need (blank) is a form of energy made by the motion of molecules.
a) heat
b) convection
c) temperature

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Can someone me with 3 and 4 plz. this is for masteries test.