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Argon (Ar) is in group 18. Argon ____.
1. is part of the noble gas group
2. has 18 electron shells
3. does not react readily with other elements
4. has properties similar to other elements in group 18
5. forms a salt when combined with a metal​

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User TStamper
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Answer:

answer is 2 I think I'm correct sorry if I'm not

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User Eugene Lopatkin
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