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Chapter 1 The Language Of Chemistry | Exercise 1A

Question 8

a) Explain the terms valency and variable valency

b) How are the elements with variable valency named? Explain with an example

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a) Valency is the capacity of an atom to lose, gain, or share atoms during a chemical reaction is called its valency. Sometimes atom of an element can lose more electron than they are present which means they lose electron from its penultimate shell. Such an element is said to exhibit variable valency.

b) If an element exhibits two different positive valencies,

then

  1. For the lower valency, use the suffix -OUS at the end of the name of the metal
  1. For the higher valency, use the suffix -IC at the end of the name of the metal.
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subject-cta

Question 8

a) Explain the terms valency and variable valency

b) How are the elements with variable valency named? Explain with an example

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

a) Valency is the capacity of an atom to lose, gain, or share atoms during a chemical reaction is called its valency. Sometimes atom of an element can lose more electron than they are present which means they lose electron from its penultimate shell. Such an element is said to exhibit variable valency.

b) If an element exhibits two different positive valencies,

then

  1. For the lower valency, use the suffix -OUS at the end of the name of the metal
  1. For the higher valency, use the suffix -IC at the end of the name of the metal.

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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