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. The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
  2. In a vaccum triode the function of grid voltage is
  3. If a small sphere is let fall vertically in a large quantity of still liquid of density
  4. The value of Planck’s constant is
  5. A lift is moving down with acceleration a.A man in the lift drops a ball