Question

in modern periodic table potassium has lower atomic mass than argon and argon is placed than potassium . why and explain it ?

Answer 1

Answer:

This is because modern periodic table is according to icnreasing atomic numbers. Since Ar has the atomic number 18 and potassium 19 so Argron is placed before K in the Modern periodic table.

Explanation:

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Answer 2

Answer:

This is because the periodic time table is according to increasing atomic number . Since argon have atomic number 18 and potassium 19 that's why argon is placed before potassium (K) in modern periodic table