Download App

Unit - 5.1 Language of Chemistry — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYUnit - 5.1 Language of Chemistry2 Marks
Question
How are the elements having variable valency named?
✓

Answer

The suffix "ous" is used to indicate lower valency, and the suffix "ic" is used to indicate the higher valency. Example: Iron(), for the lower valency, the suffix "ous" is added- Ferrous (). For the higher valency "-ic" is added- Ferric.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Unit - 5.1 Language of Chemistry→Unit - 5.1 Language of Chemistry — all question types→CHEMISTRY STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

Give a test to differentiate between two gas jars $–$ one containing pure hydrogen and the other hydrogen-air mixture.
→
State how hydrogen occurs in the free state. Name three compounds containing hydrogen in the combined state.
→
Define the term $–$ ‘atomic number’ of an atom. If an atom $‘A’$ has an atomic number of $–$ eleven, state the number of protons $\& $ electrons it contains.
→
A bright light is seen evolved when a strip of magnesium is heated.
→
Zinc is considered an element, while zinc sulphide is considered a compound.
→
Draw the diagrams representing the atomic structures of the following : Neon
→
Give one example each of which illustrates the following characteristics of a chemical reaction change in state
→
Differentiate between the two branches of chemistry $–$ organic chemistry $\&$ inorganic chemistry with suitable examples.
→
What do you observe when when dilute sulphuric acid is added to barium chloride solution ?
→
Write the chemical formula of the following compound in a step$-$by$-$step manner : Magnesium nitride
→