Question

8 कक्षा पाठ 2 लाख की चूड़ियाँ
अतिरिक्त प्रश्न
कृपया जवाब दे । ​

Answer 1

Answer:

Atomic

Number

Name Symbol Group Period

Number

Block State at

STP

Occurrence Description

1 Hydrogen H 1 1 s Gas Primordial Non-metal

2 Helium He 18 1 s Gas Primordial Noble gas

3 Lithium Li 1 2 s Solid Primordial Alkali metal

4 Beryllium Be 2 2 s Solid Primordial Alkaline earth metal

5 Boron B 13 2 p Solid Primordial Metalloid

6 Carbon C 14 2 p Solid Primordial Non-metal

7 Nitrogen N 15 2 p Gas Primordial Non-metal

8 Oxygen O 16 2 p Gas Primordial Non-metal

9 Fluorine F 17 2 p Gas Primordial Halogen

10 Neon Ne 18 2 p Gas Primordial Noble gas

11 Sodium Na 1 3 s Solid Primordial Alkali metal

12 Magnesium Mg 2 3 s Solid Primordial Alkaline earth metal

13 Aluminium Al 13 3 p Solid Primordial Metal

14 Silicon Si 14 3 p Solid Primordial Metalloid

15 Phosphorus P 15 3 p Solid Primordial Non-metal

16 Sulphur S 16 3 p Solid Primordial Non-metal

17 Chlorine Cl 17 3 p Gas Primordial Halogen

18 Argon Ar 18 3 p Gas Primordial Noble gas

19 Potassium K 1 4 s Solid Primordial Alkali metal

20 Calcium Ca 2 4