The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.

The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number of atoms that will dacay from its 1g sample per second will be (take, Avogadro’s number, Nᴀ=6.023×10²³ atom/kilo mol)

Options

(a) 3.61×10¹⁰
(b) 31.1×10¹⁵
(c) 3.6×10¹²
(d) 3.11×10¹⁵

Correct Answer:

3.61×10¹⁰

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
  2. The earth radiates in the infrared region of the spectrum. The spectrum is correctly
  3. The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
  4. Rate of photoelectric emission is proportional to
  5. The vector sum of two forces is perpendicular to their vector difference. In that case,