bunchheidi bunchheidi
  • 16-09-2021
  • Chemistry
contestada

which element from period 4 has the lowest atomic mass?

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jisooyah
jisooyah jisooyah
  • 16-09-2021
Krypton

Explanation:
Atomic size decreases across a Period from left to right as we face the Table, and INCREASES down a Group, a vertical column of the Table.
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