Question

Write the valency of silicon *

1 point

Your answer

 

This is a required question

13. The number of electrons shared between two oxygen atom is................ *

1 point

Your answer

14. Sodium ion in a (Na+)has............. number of electrons *

1 point

Your answer

15. An atom or a group of atoms carrying a positive or a negative charge is known as an ion or................... *

1 point

Your answer

16. Ag is a symbol of.................... *

1 point

Your answer

17. Sulphate is a cation or anion. *

1 point

Your answer

18. The number of hydrogen combined to form phosphine is.............. *

1 point

Your answer

19. Write the valency of calciu


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Answer 1

Answer:

13.2

14.1

15.radical

16.Mercury

17.cation

18.5

Answer 2

12. Write the valency of silicon?

• Answer - 4

13. The number of electrons shared between two oxygen atom is _______.

• Answer - Two elections

14. Sodium ion in a (Na+)has______number of electrons.

• Answer - 11 electrons

15. An atom or a group of atoms carrying a positive or a negative charge is known as an ion or_________.

• Answer - Polyamtomic ion

16. Ag is a symbol of_________.

• Answer - Silver

17. Sulphate is a cation or anion.

• Answer - Anion

18. The number of hydrogen combined to form phosphine is________.

• Answer - Three hydrogen.

19. Write the valency of calcium

• Answer - +2