EGE Chemistry Practice Questions - Unified State Exam (EGE) In Chemistry (ЕГЭ по химии) Exam

According to the periodic law of D. I. Mendeleev, properties of elements are a periodic function of which quantity?

The relative atomic mass The charge of the atomic nucleus (atomic number) The number of energy levels The density of the simple substance

Correct Answer:

The charge of the atomic nucleus (atomic number)

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