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denpristay [2]
2 years ago
6

Explain how the Periodic Table of Elements is organized. What are the patterns? Trends?

Biology
1 answer:
Artyom0805 [142]2 years ago
8 0

Answer:

The periodic table of elements arranges all of the known chemical elements using this method. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order is usually according with the increasment (Is this a word?) of the atomic mass.

Explanation:

Have a good day :)

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The correct option is 21

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