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 number of significant figures in 0.06900
  2. Three identical spheres, each of mass 3 kg are placed touching each other
  3. The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
  4. If the magnetising field on a ferromagnetic material is increased, its permeability
  5. If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part