Find out the names of first 20 elements and their symbols.)
Answers
Answer:
PLS.........................
MARK ME AS BRAINLIEST................
Explanation:
hydrogen H 1
HELIUM HE 2
LITHIUM LI 3
BERYLIUM BE 4
BORON B 5
CARBON C 6
NITROGEN N 7
OXYGEN O 8
FLURINE F 9
NEON NE 10
SODIUM NA 11
MAGNESIUM MG 12
ALUMINIUM AL 13
SILICON SI 14
PHOSPHOROUS P 15
SULFER S 16
CHLORINE CL 17
ARGON AR 18
POTTASIUM K 19
CALCIUM CA 20
Answer- The above question is from the chapter 'Periodic Classification of Elements'.
First 20 elements with their symbols and atomic number:
Atomic Number 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 Sulphur S
17 Chlorine Cl
18 Argon Ar
19 Potassium K
20 Calcium Ca
Way to learn the elements:
Hi- Hydrogen
Hello- Helium
Listen- Lithium
B- Beryllium
B- Boron
C- Carbon
News- Nitrogen
Of- Oxygen
France- Fluorine
Nation- Sodium
Magistrate- Magnesium
Allowed- Aluminium
Silicon- Silicon
Public- Phosphorus
Closure- Chlorine
Aur- Argon
Kya- Potassium
Chahiye- Calcium