The Valency of calcium is  .

Important Questions on Structure of The Atom

MEDIUM

Science>Chemistry>Structure of The Atom>Valency

The pair of valencies exhibited by tin$\left(\mathrm{Sn}\right)$is

MEDIUM

Science>Chemistry>Structure of The Atom>Valency

Valence electron in ${\mathrm{Cl}}^{-}$ ions is 

EASY

Science>Chemistry>Structure of The Atom>Valency

 Define valency.

EASY

Science>Chemistry>Structure of The Atom>Valency

An element has 3 protons and 4 neutrons in its atom. Its valency is:

EASY

Science>Chemistry>Structure of The Atom>Valency

Which amongst the following has $1^{+}$ valency?

HARD

Science>Chemistry>Structure of The Atom>Valency

Define valency by taking examples of silicon and oxygen. 

EASY

Science>Chemistry>Structure of The Atom>Valency

What is the valency of sulphur?

EASY

Science>Chemistry>Structure of The Atom>Valency

Which amongst the following has variable positive valency?

EASY

Science>Chemistry>Structure of The Atom>Valency

The following diagram represents the atomic structure of which element?

EASY

Science>Chemistry>Structure of The Atom>Valency

Atomic number of potassium is $19$, it has valence electrons:

EASY

Science>Chemistry>Structure of The Atom>Valency

Atomic number of fluorine is $9$, it has valence electrons:

EASY

Science>Chemistry>Structure of The Atom>Valency

Maximum number of electrons that outermost shell can accommodate is:

EASY

Science>Chemistry>Structure of The Atom>Valency

What type of electronic configuration corresponds to chemical non-reactivity of elements?

EASY

Science>Chemistry>Structure of The Atom>Valency

Which amongst the following has $3^{+}$ valency?

EASY

Science>Chemistry>Structure of The Atom>Valency

The electrons present in the outermost shell of an atom are known _____ .

MEDIUM

Science>Chemistry>Structure of The Atom>Valency

How will you find the valency of chlorine? 

MEDIUM

Science>Chemistry>Structure of The Atom>Valency

The valency of phosphate in ${\mathrm{Na}}_{3 }{\mathrm{PO}}_4$ is

EASY

Science>Chemistry>Structure of The Atom>Valency

Valence electrons are the electrons present in the:

EASY

Science>Chemistry>Structure of The Atom>Valency

Which amongst the following has +2 valency?

EASY

Science>Chemistry>Structure of The Atom>Valency

What is the valency of Iron (II)?