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The order of elements in the periodic table is based on

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The order of elements in the periodic table is based on the number of protons in the nucleus. Hope this helps!
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Answer:

hope this helps

Step-by-step explanation:

The elements in the modern periodic table are arranged in order of their atomic numbers, which is the number of protons in the nuclei of the atoms of a an element. Each element has a unique atomic number. The atomic numbers are also whole numbers.

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