1. Oxygen (O):
Number of valence electrons: 6 (g)
2. Aluminium (Al):
Number of valence electrons: 3 (b)
3. Neon (Ne):
Number of valence electrons: 8 (c)
4. Silicon (Si):
Number of valence electrons: 4 (a)
5. Magnesium (Mg):
Number of valence electrons: 2 (g)
6. Iodine (I):
Number of valence electrons: 7 (h)
7. Lithium (Li):
Number of valence electrons: 1 (d)
8. Nitrogen (N):
Number of valence electrons: 5 (e)
Looking at the periodic table, determine the number of valence electrons present in a following neutral atoms.
Column A
1.
Oxygen (O):
Oxygen (O)
2.
Aluminium (Al):
Aluminium (Al)
3.
Neon (Ne):
Neon (Ne)
4.
Silicion (Si):
Silicion (Si)
5.
Magnesium (Mg):
Magnesium (Mg)
6.
Iodine (I):
Iodine (I)
7.
Lithium (Li):
Lithium (Li)
8.
Nitrogen (N):
Nitrogen (N)
Column B
a.4 valence electrons
b.3 valence electrons
c.8 valence electrons
d.1 valence electrons
e.5 valence electrons
f.6 valence electrons
g.2 valence electrons
h.7 valence electrons
1 answer