Hydrogen contains one valence electron in its valence shell and thus, its valency is one. Therefore, hydrogen resembles alkali metals (group 1 elements) as they also contain one electron in...
Group – A
Group – B
1) ‘O’ group
D) Universal donors
2) AB’ group
A) Universal recipients
3) Myeline sheath
B) Axon
4) Land Steiner
E) Blood groups
5) Granulocytes
C) Eosinophils
Sr. no.
Property
Down a group
i
Atomic radii
Increases
ii
Ionic radii
Increases
iii
Ionization enthalpy
Decreases
iv
Electronegativity
Decreases
v
Standard reduction potential
Decreases
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