Question

list of all the elements with symbol, atomic mass, atomic number and valency


plsplspls


*NO PERIODIC TABLE
*NO MIXED ANSWER
*NO TYPED ANSWER

If you answer properly, you will get 15 points

pls answer correctly​

Answer 1

Explanation:

Element Chemical Group Block

1

H

Hydrogen

Hydrogen Nonmetal

2

He

Helium

Helium Noble Gas

3

Li

Lithium

Lithium Alkali Metal

4

Be

Beryllium

Beryllium Alkaline Earth Metal

5

B

Boron

Boron Metalloid

6

C

Carbon

Carbon Nonmetal

7

N

Nitrogen

Nitrogen Nonmetal

8

O

Oxygen

Oxygen Nonmetal

9

F

Fluorine

Fluorine Halogen

10

Ne

Neon

Neon Noble Gas

11

Na

Sodium

Sodium Alkali Metal

12

Mg

Magnesium

Magnesium Alkaline Earth Metal

13

Al

Aluminum

Aluminum Post-Transition Metal

14

Si

Silicon

Silicon Metalloid

15

P

Phosphorus

Phosphorus Nonmetal

16

S

Sulfur

Sulfur Nonmetal

17

Cl

Chlorine

Chlorine Halogen

18

Ar

Argon

Argon Noble Gas

19

K

Potassium

Potassium Alkali Metal

20

Ca

Calcium

Calcium Alkaline Earth Metal

21

Sc

Scandium

Scandium Transition Metal

22

Ti

Titanium

Titanium Transition Metal

23

V

Vanadium

Vanadium Transition Metal

24

Cr

Chromium

Chromium Transition Metal

25

Mn

Manganese

Manganese Transition Metal

26

Fe

Iron

Iron Transition Metal

27

Co

Cobalt

Cobalt Transition Metal

28

Ni

Nickel

Nickel Transition Metal

29

Cu

Copper

Copper Transition Metal

30

Zn

Zinc

Zinc Transition Metal

31

Ga

Gallium

Gallium Post-Transition Metal

32

Ge

Germanium

Germanium Metalloid

33

As

Arsenic

Arsenic Metalloid

34

Se

Selenium

Selenium Nonmetal

35

Br

Bromine

Bromine Halogen

36

Kr

Krypton

Krypton Noble Gas

37

Rb

Rubidium

Rubidium Alkali Metal

38

Sr

Strontium

Strontium Alkaline Earth Metal

39

Y

Yttrium

Yttrium Transition Metal

40

Zr

Zirconium

Zirconium Transition Metal

Answer 2

Answer:

atomic mass-one amu is define as a mass exactly equal to one rwelth of the mass of one carbon -12 atom