The formula for Gibbs free energy is:
^G = ^S + T^H
^G = ^H - T^S
^G = ^S - T^H
ΔG = ΔΗ - T^S

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☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

The se-ci  bonds is more polar  than s-br bond