Question

first 30 elements of periodic table with their no.of proton, neutron and electron, atomic number, atomic mass and valency

Answer 1

Hydrogen-

Atomic Number: 1

Element Symbol: H

Number of Protons: 1

Number of Electrons: 1

Number of Neutrons: 0

Atomic Mass: 1.01

Helium-

Atomic Number: 2

Element Symbol: He

Number of Protons: 2

Number of Electrons: 2

Number of Neutrons: 2

Atomic Mass: 4  

Lithium-

Atomic Number: 3

Element Symbol: Li

Number of Protons: 3

Number of Electrons: 3

Number of Neutrons: 4

Atomic Mass: 6.94

 

Beryllium-

Atomic Number: 4

Element Symbol: Be

Number of Protons: 4

Number of Electrons: 4

Number of Neutrons: 5  

Atomic Mass: 9.012

Boron-

Atomic Number: 5

Element Symbol: B

Number of Protons: 5  

Number of Electrons: 5

Number of Neutrons: 5

Atomic Mass: 10.81

Carbon-

Atomic Number: 6

Element Symbol: C

Number of Protons: 6  

Number of Electrons: 6

Number of Neutrons: 6

Atomic Mass: 12.01

Nitrogen-

Atomic Number: 7

Element Symbol: N

Number of Protons: 7

Number of Electrons: 7

Number of Neutrons: 7

Atomic Mass: 14.01

Oxygen-

Atomic Number: 8

Element Symbol: O  

Number of Protons: 8

Number of Electrons: 8  

Number of Neutrons: 8

Atomic Mass: 15.999

Fluorine-

Atomic Number: 9

Element Symbol: F  

Number of Protons: 9

Number of Electrons: 9

Number of Neutrons: 10

Atomic Mass: 19.00

Neon-

Atomic Number: 10

Element Symbol: Ne

Number of Protons: 10

Number of Electrons: 10  

Number of Neutrons: 10

Atomic Mass: 20.18

Sodium-

Atomic Number: 11

Element Symbol: Na

Number of Protons: 11

Number of Electrons: 11

Number of Neutrons: 12

Atomic Mass: 22.99

 

Magnesium-

Atomic Number: 12

Element Symbol: Mg

Number of Protons: 12

Number of Electrons: 12

Number of Neutrons: 12

Atomic Mass: 24.31

Aluminum-

Atomic Number: 13

Element Symbol: Al  

Number of Protons: 13

Number of Electrons: 13

Number of Neutrons: 14

Atomic Mass: 26.98  

Silicon-

Atomic Number: 14

Element Symbol: Si

Number of Protons: 14

Number of Electrons: 14

Number of Neutrons: 14

Atomic Mass: 28.09  

Phosphorus-

Atomic Number: 15

Element Symbol: P

Number of Protons: 15

Number of Electrons: 15  

Number of Neutrons: 16

Atomic Mass: 30.91

Sulfur-

Atomic Number: 16

Element Symbol: S

Number of Protons: 16

Number of Electrons: 16

Number of Neutrons: 16

Atomic Mass: 32.07

Chlorine-

Atomic Number: 17

Element Symbol: Cl

Number of Protons: 17

Number of Electrons: 17

Number of Neutrons: 18

Atomic Mass: 35.45

Argon-

Atomic Number: 18

Element Symbol: Ar

Number of Protons: 18

Number of Electrons: 18

Number of Neutrons: 22  

Atomic Mass: 39.95

Potassium-

Atomic Number: 19

Element Symbol: K

Number of Protons: 19

Number of Electrons: 19

Number of Neutrons: 20

Atomic Mass: 39.10

Calcium-

Atomic Number: 20

Element Symbol: Ca

Number of Protons: 20

Number of Electrons: 20

Number of Neutrons: 20

Atomic Mass: 40.08

Scandium-

Atomic Number: 21

Element Symbol: Sc

Number of Protons: 21

Number of Electrons: 21

Number of Neutrons: 24

Atomic Mass: 44.956

 

Titanium-

Atomic Number: 22

Element Symbol: T

Number of Protons: 22  

Number of Electrons: 22  

Number of Neutrons: 26

Atomic Mass: 47.867

Vanadium-

Atomic Number: 23

Element Symbol: V

Number of Protons: 23

Number of Electrons: 23

Number of Neutrons: 27

Atomic Mass: 50.942

Chromium-  

Atomic Number: 24

Element Symbol: Cr

Number of Protons: 24

Number of Electrons: 24

Number of Neutrons: 24  

Atomic Mass: 51.996

Manganese-

Atomic Number: 25

Element Symbol: Mn

Number of Protons: 25

Number of Electrons: 25

Number of Neutrons: 30  

Atomic Mass: 54.938

Iron-

Atomic Number: 26  

Element Symbol: Fe

Number of Protons: 26

Number of Electrons: 26

Number of Neutrons: 28

Atomic Mass: 55.845

Cobalt-

Atomic Number: 27

Element Symbol: Co

Number of Protons: 27

Number of Electrons: 27

Number of Neutrons: 32

Atomic Mass: 58.933

Nickel-

Atomic Number: 28

Element Symbol: Ni

Number of Protons: 28

Number of Electrons: 28

Number of Neutrons: 30

Atomic Mass: 58.693

Copper-

Atomic Number: 29

Element Symbol: Cu

Number of Protons: 29

Number of Electrons: 29

Number of Neutrons: 35  

Atomic Mass: 63.546

Zinc-  

Atomic Number: 30

Element Symbol: Zn

Number of Protons: 30

Number of Electrons: 30

Number of Neutrons: 35

Atomic Mass: 65.38