valeriaparedest
valeriaparedest valeriaparedest
  • 26-02-2021
  • Chemistry
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WILL GIVE BRAINLIEST

WILL GIVE BRAINLIEST class=

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Rasco
Rasco Rasco
  • 27-02-2021

Answer:

atomic number

H is on the very top left

they are organized into columns with somewhat similar behaviors ie the alkali metals (the first column or period) are all very reactive (except H as it only has one electron in one shell, it is sometimes put into its own separate category

Explanation:

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