HARD
7th CBSE
IMPORTANT
Earn 100

What are compound radicals? Give examples of a few radicals, along with their valences. Also mention some compounds containing compound radicals. Give the valencies of the parts that make up the compound.

Important Questions on The Language of Chemistry

EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D
A _____ is an abbreviation of the name of an element.
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D
A molecule of an element or a compound is represented by its _____. (Valency/ formula)
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D
The valencies of the two elements of a binary compound are _____ to obtain its formula. (added / transposed)
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D
Atoms are neither lost nor _____ in chemical reaction. (gained/ reacted)
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q E
Which of the following is the symbol of gold?
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q E
Which of the following is a divalent radical?
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q E
The valency of sulphur in sulphur dioxide is
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q E
How many times greater is the valency of N in NH3 than that of Cl in HCl?