denisakeys denisakeys
  • 06-11-2021
  • Chemistry
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Look at the periodic table in Appendix 1. Name two elements that do not appear in order of their relative atomic masses.

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Banana3ana
Banana3ana Banana3ana
  • 06-11-2021

iodine which should appear before tellurium and argon which should appear after potassium

There is a 3rd one: nickel should appear before cobalt

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