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vlabodo [156]
3 years ago
8

What is common about the elements of a period? Select all that apply. They have the same number of electron energy levels. They

have similar chemical characteristics. They have similar physical characteristics. They transition from a metal to noble gas.
Chemistry
1 answer:
Ann [662]3 years ago
4 0

Answer:

They have the same number of electron energy levels.

They transition from a metal to noble gas.

Explanation:

Periods in the periodic table of elements refer to elements in the same row. All the elements in a certain row of the periodic table;

have the same number of electron energy levels.

transition from a metal to noble gas.

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