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-BARSIC- [3]
3 years ago
15

What pattern appears in the horizontal arrangement (rows) of the elements in the Periodic Table, moving from left to right?

Chemistry
1 answer:
Liula [17]3 years ago
5 0
The horizontal rows in the periodic table are periods, while the vertical rows are called groups. The elements moving from left to right in "periods" have increasing atomic numbers.
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Answer:

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Explanation:

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4 years ago
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