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Alecsey [184]
4 years ago
14

Please help!!! Which location represents a period on a Periodic Table?

Mathematics
2 answers:
polet [3.4K]4 years ago
7 0
A horizontal is a period on the periodic table
sdas [7]4 years ago
6 0

Answer:

the 3rd answer horizontal row

Step-by-step explanation:

In each period (horizontal row), the atomic numbers increase from left to right. The periods are numbered 1 through 7 on the left-hand side of the table. Elements that are in the same period have chemical properties that are not all that similar.

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