Valence electrons of first 30 elements of the Periodic table are mentioned below.
Atomic Number | Element | Valence electrons |
1 | Hydrogen (H) | 1 |
2 | Helium (He) | 2 |
3 | Lithium (Li) | 1 |
4 | Beryllium (Be) | 2 |
5 | Boron (B) | 3 |
6 | Carbon (C) | 4 |
7 | Nitrogen (N) | 5 |
8 | Oxygen (O) | 6 |
9 | Fluorine (F) | 7 |
10 | Neon (Ne) | 8 |
11 | Sodium (Na) | 1 |
12 | Magnesium (Mg) | 2 |
13 | Aluminum (Al) | 3 |
14 | Silicon (Si) | 4 |
15 | Phosphorus (P) | 5 |
16 | Sulfur (S) | 6 |
17 | Chlorine (Cl) | 7 |
18 | Argon (Ar) | 8 |
19 | Potassium (K) | 1 |
20 | Calcium (Ca) | 2 |
21 | Scandium (Sc) | 2 |
22 | Titanium (Ti) | 2 |
23 | Vanadium (V) | 2 |
24 | Chromium (Cr) | 1 |
25 | Manganese (Mn) | 2 |
26 | Iron (Fe) | 2 |
27 | Cobalt (Co) | 2 |
28 | Nickel (Ni) | 2 |
29 | Copper (Cu) | 1 |
30 | Zinc (Zn) | 2 |
Note 1: If you want the valence electrons of all the 118 elements, then visit this article: Valence electrons chart for ALL ELEMENTS (Where I have shown the valence electrons using images).
Note 2: If you want a periodic table with valence electrons labeled on it, then visit this article: Periodic table with Valence electrons (labeled on it) (From this article, you can also download the HD image of periodic table labeled with valence electrons, so visit right now).
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