Minimoni7
Minimoni7 Minimoni7
  • 06-11-2020
  • Chemistry
contestada

please help ASAP!!

(I added a pic)

please help ASAP I added a pic class=

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tbtrotter16 tbtrotter16
  • 06-11-2020
The middle is noble gases the first one is alkaline metals and then the last one is the only one left
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