Valency Quiz

Which of the following has a valency of 3?

• oxygen

• sulphur

• phosphorus

• thiosulphate

An element has 5 valence electrons, what is its valency?

• 4

• 3

• 2

• 1

An atom has four shells and 19 protons in its atom , what is its valency?

• 1

• 2

• 3

• 4

What is the valency of the given element?

• 1

• 2

• 3

• 4

Which of the following has a valency of 2?

• 
• 
• 
• 

An element having a valency of 3 may have _____ or _____valence electrons.

• 3 or 5

• 6 or 7

• 1 or 2

• 4 or 5

Which statement BEST defines valency?

• Valency is the ability of an atom to gain electrons.

• Valency is the amount of bonds an atom can make with another atom.

• Valency is the transfer of electrons from one atom to another.

• Valency is the sharing of electrons between atoms.

A binary compound is made up of _____ elements.

• 1

• 2

• 3

• 4

The position of an element in the Periodic Table can determine the valency of an element.

• True

• False

What is the valency of Mg?

• 1

• 2

• 3

• 4