Question

The atomic number of Sodium (Na) is _________
a) 18
b) 11
c) 16​

Answer 1

B) 11 ✔

The atomic number of Sodium (Na) is 11 .

★ To Know More :

Atomic No. - Element - Symbol

1 - Hydrogen - H

2 - Helium - He

3 - Lithium - Li

4 - Beryllium - Be

5 - Boron - B

6 - Carbon - C

7 - Nitrogen - N

8 - Oxygen - O

9 - Fluorine - F

10 - Neon - Ne

11 - Sodium - Na

12 - Magnesium - Mg

13 - Aluminium - Al

14 - Silicon - Si

15 - Phosphorus - P

16 - Sulfur - S

17- Chlorine - Cl

18 - Argon - Ar

19 - Potassium - K

20 - Calcium - Ca

21 - Scandium - Sc

22 - Titanium - Ti

23 - Vanadium - V

24 - Chromium - Cr

25 - Manganese - Mn

26 - Iron - Fe

27 - Cobalt - Co

28 - Nickel - Ni

29 - Copper - Cu

30 - Zinc - Zn

Here, I have given the first 30elements.

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