WBCS.LIVE practice question

The mass of one atom hydrogen is approximately -

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 1 g
  2. 1.5 g
  3. 1.6 Ɨ g
  4. 3.3 Ɨ g

Correct answer and explanation

Correct answer: 1.6 Ɨ g

Explanation: āœ… Correct Answer: C) 1.6 Ɨ g šŸ“š Explanation: The actual mass of a single isolated hydrogen atom is approximately $1.67 \times 10^{-24} \text{ grams}$. Since a normal hydrogen atom contains only one proton and one electron (with no neutrons), its mass matches a proton's weight. This value is derived by dividing the molar mass of hydrogen (1g) by Avogadro's constant ($6.022 \times 10^{23}$).