PERIODICITY Flashcards
1
Q
what happens to atomic radius across the periodic table
A
nuclear charge increases
similar shielding
decreases but P,S and Cl are same
2
Q
what happens to first ionisation energy
A
nuclear charge increases
similar shielding
increases across the periodic table
3
Q
why is sulphurs first ionisation energy anomalous
A
pair of electrons in one of the 3p orbitals
which repel
4
Q
A
