Question

1, charge on Mg +2 is
a) 2
b) 2e
c) 3.2 x 10^-19C
d) 1.6 x 10^- 38C

2, Number of electron in 1 mole of each O2 and H2O take together
a) 16
b) 26
c) 36
d) 46


​

Answer 1

Answer:

c is your answer of 1 question

16 is your answer...