EASY
10th ICSE
IMPORTANT
Earn 100
Define the term 'electron affinity'. State its units.
Important Questions on Periodic Table, Periodic Properties and Variations of Properties
MEDIUM
10th ICSE
IMPORTANT
Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
EASY
10th ICSE
IMPORTANT
Define the term 'electronegativity'. State its unit.
MEDIUM
10th ICSE
IMPORTANT
Among the elements given below, the element with least electronegativity is:
(i) Lithium (ii) Boron (III) Carbon (iv) Fluorine
MEDIUM
10th ICSE
IMPORTANT
Among the elements given below, the element with most electronegativity is:
(i) Magnesium (ii) Chlorine (iii) Aluminium (iv) Sulphur
MEDIUM
10th ICSE
IMPORTANT
Explain the following:
Group elements are strong non-metals, while groupelements are strong metals.
MEDIUM
10th ICSE
IMPORTANT
Explain the following:
Halogens have high electron affinity.
MEDIUM
10th ICSE
IMPORTANT
Explain the following:
The size of atoms progressively becomes smaller when we move from sodium to chlorine in the third period of the Periodic Table.
EASY
10th ICSE
IMPORTANT
Name the periodic property which relates to the:
Amount of energy required to remove an electron from an isolated gaseous atom.
