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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.3 valence electrons
b.2 valence electrons
c.7 valence electrons
d.1 valence electrons
e.5 valence electrons
f.8 valence electrons
g.4 valence electrons
h.6 valence electrons

1 answer

Here are the number of valence electrons for each of the neutral atoms listed in Column A, along with their corresponding options from Column B:

  1. Oxygen (O): 6 valence electrons (h)
  2. Aluminium (Al): 3 valence electrons (a)
  3. Neon (Ne): 8 valence electrons (f)
  4. Silicon (Si): 4 valence electrons (g)
  5. Magnesium (Mg): 2 valence electrons (b)
  6. Iodine (I): 7 valence electrons (c)
  7. Lithium (Li): 1 valence electron (d)
  8. Nitrogen (N): 5 valence electrons (e)

Here they are matched correctly:

  • Oxygen (O): 6 valence electrons (h)
  • Aluminium (Al): 3 valence electrons (a)
  • Neon (Ne): 8 valence electrons (f)
  • Silicon (Si): 4 valence electrons (g)
  • Magnesium (Mg): 2 valence electrons (b)
  • Iodine (I): 7 valence electrons (c)
  • Lithium (Li): 1 valence electron (d)
  • Nitrogen (N): 5 valence electrons (e)