Advertisements
Advertisements
Question
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Options
sulphur and krypton
krypton and ozone
phosphorus and sulphur
krypton and sulphur
Advertisements
Solution
krypton and sulphur
Out of ozone, phosphorus, sulphur and krypton, krypton has the lowest atomicity and sulphur the highest .
APPEARS IN
RELATED QUESTIONS
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Give the symbol of the following element:
Radon
Give the symbol of the following element:
Phosphate
Write the radical of the following valency:
Sulphur [Sulphide]
Give the formula of the following acid:
Hydrochloric
Give the formula of the following gas:
Nitric oxide
What is meant by the term ‘symbol’?
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
