Physical Science

Moving from the element with atomic number 10 to atomic number 11 on the periodic table, there is a change in reactivity. In three to five sentences, identify the direction of the change, and give two reasons for the change.

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  1. first, consider the two elements: Neon and Sodium.
    now read about their characteristics.

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  2. Here is a start.
    Ne has its outside shell full of electrons; therefore, its reaction with other elements is minimal if at all. Na, the next element, has 1 more proton and 1 more electron. More importantly that added electron is in the outside shell. It can fill that shell by ADDing 7 more electrons or LOSing the one electron. Obviously, it loses the one electron and it does so with gusto which makes Na a very reaction element while Ne is not reactive at all. Now follow oobleck's instructions, add what you read to what I've written,then summarize all of it in your own words.

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    DrBob222
  3. My answer:

    Neon (Ne) has an atomic number of 10, and sodium (Na) has an atomic number of 11. Neon has its outside shell full of electrons; therefore, it does not react with other elements. Sodium has 1 more proton and 1 more electron. That added electron is in the outside shell, making it a valence electron. It can fill that shell by losing the one electron which makes Na a very reactive element while Ne is not reactive.

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  4. Demonic sin . was it right ?

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  5. So today I got a whole test wrong because my teacher thought I cheated on here. Even though there is no tie between the answers. He can go a chicken strip #rude

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  6. I’m taking the same test right now and I don’t normally use this site unless I’m really stuck, thank you Drbob222 and oobleck for helping!!!!

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  7. Thank for the help

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