Question

Take 20 luments whose atomic
mumber 1 to 20 so them
on a table according to the
following:
Name the element, symbol,
Atomic number, Electronic configuration,
number of cell, valence
electron and valency​

Answer 1

Answer:H=1

He=2

Li=3

Be=4

Bo=5

C=6

N=7

O=8

F=9

Ne=10

Na=11

Mg=12

Al=13

Sc=14

P=15

S=16

Cl=17

Ar=18

K=19

Ca=20

Explanation: