Question

Table of elements from 1 to 30 with their symbols, atomic weight and valancies
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Answer 1

Answer:

Hydrogen

H-1, 1

Helium

He-2, 2

Lithium

Li-3,1

Beryllium

Be-4, 2

Boron

B-5,3

Carbon

C-6,4

Nitrogen

N-7,5

Oxygen

O-8,6

Fluorine

F-9,7

Neon

Ne-10,8

Sodium

Na-11,1

Magnesium

Mg-12,2

Aluminum

Al-13,3

Silicon

Si-14,4

Phosphorus

P-15,5

Sulfur

S-16,6

Chlorine

Cl-17,7

Argon

Ar-18,8

Potassium

K-19,1

Calcium

Ca-20,2

Scandium

Sc-21,3

Titanium

Ti-22,4

Vanadium

V-23,5

Chromium

Cr-24,6

Manganese

Mn-25,7

Iron

Fe-26,8

Cobalt

Co-27,1

Nickel

Ni-28,2

Copper

Cu-29,1

Zinc

Zn-30,2

The valancies are after the comma.

Answer 2

Answer:

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