Question

In the Modern Periodic Table, the elements are arranged in order of​

Answer 1

Answer:

In the modern periodic table, the elements are arranged according to their atomic number - not their relative atomic mass . In the periodic table the elements are arranged into: rows, called periods , in order of increasing atomic number. vertical columns, called groups , where the elements have similar properties

Explanation:

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Answer 2

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In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom.

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Explanation:

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