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 wire of length L metre carrying a current I ampere is bent in the form
  2. The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
  3. A capacitor having a capacity of 2 μF is charged to 200V and then the plates
  4. The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
  5. The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation