Describe two properties that the elements in the last two columns of the
Periodic Table share with one another.
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14
Answer:
The last two columns of periodic table are termed as
(1)Halogen include - Florine, Chlorine, Bromine, Iodine, Astatine, Tennessine
(2)Noble Gases - Helium, Neon, Argon, Krypton, Xenon, Oganesson
Answered by
8
Answer: 1: The elements in each group have the same number of electrons in the outer orbital.
2: The elements in the last 2 columns are non-mentals.
Explanation:
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