Mendeleev found that when he arranged the known elements according to their atomic mass,the entries in the table exhibited a pattern of chemical properties that repeated itself in groups of eight elements.This led to the generalization now known as:
A)an atomic model.
B)valance electrons.
C)the periodic table.
D)the octet rule.

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The Answer of Mendeleev found that when he arranged the known elements according to their atomic mass,the entries in the table exhibited a pattern of chemical properties that repeated itself in groups of eight elements.This led to the generalization now known as:
A)an atomic model.
B)valance electrons.
C)the periodic table.
D)the octet rule.

Mendeleev Found That When He Arranged the Known Elements According