Question

complete the missing information for each of the following elements from the periodic table​

Answer 1

Answer:

1) Element name -Oxygen,Symbol- O,Atomic number- 8,Atomic mass- 16u

2) Element name- Magnesium,Symbol-Mg,Atomic number-12,Atomic mass- 24u

3) Element name- Tin,Symbol- Sn,Atomic number-50,Atomic mass-118.71u

4) Element name -Cobalt,Symbol- Co,Atomic number-27 ,Atomic mass-58.93u

5)Element name- Sulphur,Symbol-S, Atomic mass-32.066u,Atomic number-16

6) Element name- Germanium,Symbol- Gm,Atomic number - Atomic mass-

7) Element name - Yittrium,Symbol- YAtomic mass-88.91u Atomic number-39

8)Element name- Neptunium,Symbol-Np,Atomic number- 93,Atomic mass-237.05

9)Element name- Potassium,Symbol-K,Atomic mass- 39.1u,Atomic number- 19

10) Element name- Sodium,Symbol- Na,Atomic number- 11,Atomic mass-

Answer 2

Missing elements:

     1.Oxygen

          Symbol = O

          Atomic number = 8

          Atomic mass = 15.99u

     2. Magnesium

          Symbol = Mg

          Atomic number = 12

          Atomic mass = 24.30u

     3. Tin

          Symbol = Sn

          Atomic number = 50

          Atomic mass = 118.71u

     4. Cobalt

          Symbol = Co

          Atomic number = 27

          Atomic mass = 58.93u

     5.Sulfur

          Symbol = S

          Atomic number = 16

          Atomic mass = 32.066u

     6. Germanium

          Symbol = Ge

          Atomic number = 32

          Atomic mass = 72.64u

      7. Yttrium

          Symbol = Y

          Atomic number = 39

          Atomic mass = 88.90u

       8. Neptunium

          Symbol = Np

          Atomic number = 93

          Atomic mass = 273.04u

       9. Potassium

          Symbol = K

          Atomic number = 19

          Atomic mass = 39.09u

       10. Sodium

          Symbol = Na

          Atomic number = 11

          Atomic mass = 22.99u