Answer:
MgO + 2HBr → MgBr2 + H2O
Explanation:
Greg is correct, Jill is wrong. Only heat can be released.
It has a higher boiling point and a lower freezing point
Answer:
the number of electrons in a particular shell is given by the formula 2n^2 . However an electron when gets very exicited loose energy in the forms of radiation and comes in high energy level shell.
