chem question?

0 ⤊

Give the total number of valence electrons in each of the following molecules.
(a) H2O2

(b) N2O

(c) NO2

(d) C3H8

2007-04-23 19:21:45 · 3 answers · asked by kevin n 1 in Science & Mathematics ➔ Chemistry

3 answers

each of the atoms have valence electrons as mentioned undernith:-
H = 1 , O = 6 , N = 5 , C = 4

so,
a) H2O2 = 14

b) N2O = 16

c) NO2 = 17

d) C3H8 = 20

2007-04-23 20:14:50 · answer #1 · answered by s0u1 reaver 5 · 0⤊ 0⤋

(a) 4 pairs

(b) N20 is actually a tricky little molecule, but i think the answer is 3 pairs

(c) I know from memory is 1 single electron, its a Radical :)

(d) 0

Simply draw them and count the electron pairs bro.

2007-04-24 02:45:44 · answer #2 · answered by Siddy 1 · 0⤊ 0⤋

a) 14

b) 16

c) 17

d) 20

2007-04-24 02:31:02 · answer #3 · answered by ag_iitkgp 7 · 0⤊ 0⤋