Q. 73.9( 8 Votes )

What is valency of an element? How do you derive valency of Aluminium?

Answer :

Valency of an element is defined as its combining capacity and it is measured by the number of hydrogen atoms with which, one atom of the element combines.One atom of aluminium combines with three atoms of chlorine.
∴ One atom of Al = 3 atoms of chlorine
Since the valence of chlorine is one,
Valence of Al = 1 × 3 = 3.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
NCERT Exemplar | Atoms and MoleculesNCERT Exemplar | Atoms and MoleculesNCERT Exemplar | Atoms and Molecules48 mins
Types of BondingTypes of BondingTypes of Bonding29 mins
Mastering in ValencyMastering in ValencyMastering in Valency33 mins
Quiz on Be a Master of Mole Concept in 30 Minutes!Quiz on Be a Master of Mole Concept in 30 Minutes!Quiz on Be a Master of Mole Concept in 30 Minutes!35 mins
Champ Quiz | Are you a Master of Mole Concept ?Champ Quiz | Are you a Master of Mole Concept ?Champ Quiz | Are you a Master of Mole Concept ?35 mins
Genius Quiz | Test Your Knowledge on Chemical FormulaeGenius Quiz | Test Your Knowledge on Chemical FormulaeGenius Quiz | Test Your Knowledge on Chemical Formulae33 mins
Be a Master of Mole Concept Within 45 MinutesBe a Master of Mole Concept Within 45 MinutesBe a Master of Mole Concept Within 45 Minutes2 mins
Quiz | Mastering in Finding The ValencyQuiz | Mastering in Finding The ValencyQuiz | Mastering in Finding The Valency27 mins
Champ Quiz | Writing Complex Chemical FormulaeChamp Quiz | Writing Complex Chemical FormulaeChamp Quiz | Writing Complex Chemical Formulae34 mins
Quiz | Solve Imp. Qs. on Ions,Molecules and CompoundsQuiz | Solve Imp. Qs. on Ions,Molecules and CompoundsQuiz | Solve Imp. Qs. on Ions,Molecules and Compounds26 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses