science help needed

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Question complete the diagram below by using arrows, words and or numbers to show how properties of te helements vary across a period.

Electron arrangement left right
1 2 3 4 3 2 1 0

1. loss
of
electrons

2. Energy
needed to
remove an electron

can someone help me with the first one thanks so much

  • science help needed -

    Your diagram may not have turned out right on the board because it doesn't recognie spaces.
    Energy needed to remove an electron (the ionization potential) generally is the lowest for group I and increses from left to right in a period. I hope this helps you get started.

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