Question : Among the given elements, which comes first in the periodic table of elements?
Option 1: Neon
Option 2: Sodium
Option 3: Silicon
Option 4: Potassium
Correct Answer: Neon
Solution : The correct answer is Neon.
In the modern periodic table, elements are arranged according to their atomic number. Hence, Neon comes first among the given elements, with atomic number 10 (symbol Ne). Sodium has an atomic number 11 (symbol Na), and silicon has an atomic number 14 (symbol Si). Potassium has atomic number 19 and is represented by the symbol K.
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