Anonymous asked in Science & MathematicsChemistry · 1 decade ago

chemistry HELP!!! please help!!!?

What happens to the energy needed to remove an electron as the atomic

number increases across a period? Down a group?

2 Answers

  • Anonymous
    1 decade ago
    Favorite Answer

    It increases from left to right as you go across a period and decreases as you go down a group.

  • 1 decade ago

    harder as it gets closer to a full shell (far right)

    easier down group.

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