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What property is used to arrange elements in the modern periodic table?
Chemistry
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D
The periodic classification of elements in the modern periodic table is an arrangement in order of their atomic number. This was established by Henry Moseley, who found a relationship between an element's X-ray spectrum and its atomic number, leading to the understanding that atomic number, not atomic weight, is the fundamental property determining an element's chemical behavior.
The correct option is d.
d) Atomic Number
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