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Which one of the following is the most fundamental characteristic of an element?

Options

  1. AMelting point
  2. BAtomic number
  3. CColour
  4. DAtomic weight

Correct answer

B. Atomic number

Step-by-step solution

Atomic number is the most fundamental characteristic of an element. It defines number of protons in that element. Elements are arranged in order of atomic number in the periodic table.

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