Question

what are groups and period of periodic table ?​

Answer 1

Explanation:

=>The columns of the periodic table are called groups. Members of the same group in the table have the same number of electrons in the outermost shells of their atoms and form bonds of the same type. The horizontal rows are called periods.

Answer 2

Answer:

The columns of the periodic table are called groups. Members of the same group in the table have the same number of electrons in the outermost shells of their atoms and form bonds of the same type.

The horizontal rows are called periods.

Explanation:

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