Question

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Answer 1

Answer:

1. Left to right (along the period)

• Ionisation energy ⇒ Increases with Zeff.
• Electrnegativity ⇒ Increases
• Electron affinity ⇒ Increases with Zeff
• Electropositivity ⇒ Decreases

    2. Up to down (along the group)

• Ionisation energy ⇒ Decreases
• Electrnegativity ⇒ Decreases
• Electron affinity ⇒ Decreases
• Electropositivity ⇒ Increases

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