The number of valence electrons of C2H4 is 12 but usually it is 2+ charge so in that case it will be 10. You can find this by drawing the electron dot (Lewis) structure of each, and counting the dots.
it has 26 valence electros scince C has 6 and 6*3=18 and H has 1 and 8*1=8...so 18 +8=26!...=p
C3H4 has 14 valence electrons
24
14
C2H6 has 14
3 valence electrons.
8 valence electrons
3 valence electrons
Aluminium has 3 valence electrons.
Carbon has 4 valence electrons.
6 valence electrons
how many valence electrons does family 1 have
3 valence electrons.
5 valence electrons.
8 valence electrons
8 valence electrons
3 valence electrons
Beryllium has two valence electrons.
3 valence electrons
10 valence electrons
Cl has 7 valence electrons.
Valence electrons are placed in the outermost shell of electrons.