Question

write the symbols of the following—
1. Hydrogen -
2. Helium -
3. Lithium -
4. Boron -
5. Beryllium -
6. Neon -
7. silicon -
8. Chlorine -
9. Argon -
10. Calcium -


The correct answer will be marked as the brainliest!!
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Answer 1

Answer:

1. H

2. He

3. Li

4. B

5. Be

6. Ne

7. Si

8. Cl

9. Ar

10. Ca

Answer 2

Answer:

1. H

Atomic number: 1

Atomic mass: 1.00784

Electrons per shell: 1

2. He

Atomic number: 2

Atomic mass: 4.002602 u

Electrons per shell: 2

3. Li

Image result for symbol of lithium

Atomic number: 3

Atomic mass: 6.941 u

Electrons per shell: 2,1

4. B

Atomic number: 5

Atomic number: 5Atomic mass: 10.811 u

Atomic number: 5Atomic mass: 10.811 uElectrons per shell: 2,3

5. Be

Atomic number: 4

Atomic mass: 9.012182 u

Electrons per shell: 2,2

6. Ne

Atomic number: 10

Atomic number: 10Atomic mass: 20.1797 u

Atomic number: 10Atomic mass: 20.1797 uElectrons per shell: 2,8

7. Si

Atomic number: 14

Atomic mass: 28.0855 u

Electrons per shell: 2, 8, 4

number: 17Atomic mass: 35.453 u

8. CI

Atomic number: 17

Atomic mass: 35.453 u

9. Ar

Atomic number: 18

Atomic number: 18Atomic mass: 39.948 u

Atomic number: 18Atomic mass: 39.948 uElectrons per shell: 2,8,8

10. Ca

Atomic number: 20

Atomic number: 20Atomic mass: 40.078 u