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When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties

Mendeleev's Law

the Pauli Exclusion Principle

Hund's Rule

Periodic Law

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5 votes

Answer:

Periodic Law

Step-by-step explanation:

This is the Periodic Law :D

User Szabolcs Berecz
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Periodic Law.
Hope it helps!
User Serhii Baraniuk
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