What is the atomic mass of 1 to 20 elements?

What is the atomic mass of 1 to 20 elements?

Let us take a look at what is the atomic mass of elements from 1 to 30….Atomic Number of Elements from 1 to 30.

Atomic Number Element Atomic Mass
18 Argon 39.948
19 Potassium 39.098
20 Calcium 40.078
21 Scandium 44.956

What is the Valency of 1 to 30 elements?

Valency of First 30 Elements

Element Atomic Number Valency
Valency of Hydrogen 1 1
Valency of Helium 2 0
Valency of Lithium 3 1
Valency of Beryllium 4 2

What are the 30 element and their symbol?

What are the 30 Elements

Name of the Element Symbol
Iron Fe
Cobalt Co
Nickel Ni
Copper Cu

How do you learn the 1/20 elements on the periodic table?

Happy Henry Lives Beside Boron Cottage, Near Our Friend Nelly Nancy Mg Allen. Silly Patrick Stays Close. Arthur Kisses Carrie….

  1. hydrogen -H.
  2. helium -He.
  3. lithium -Li.
  4. beryllium -Be.
  5. boron -B.
  6. carbon -C.
  7. nitrogen -N.
  8. oxygen -O.

What is the 20 element on the periodic table?

Calcium
The Elements, sorted by Atomic Number

Atomic Number Symbol Name
17 Cl Chlorine
18 Ar Argon
19 K Potassium
20 Ca Calcium

What are elements 21 through 30 known as?

All these elements are called transition metals.

What is the valency of 1 to 20 elements?

Valency of First 30 Elements

Element Atomic Number Valency
Valency of Chlorine 17 1
Valency of Argon 18 0
Valency of Potassium (K) 19 1
Valency of Calcium 20 2

What are the 30 elements in physics?

What are the 30 Elements

Name of the Element Symbol
Boron B
Carbon C
Nitrogen N
Oxygen O