Question

Write a balanced equation for: (a) alpha decay of gold-173

Answer 1

The balanced equation for the alpha decay of gold-173 is 197Au → 173Ta + 4He. In this equation, the parent isotope gold-197 decays into the daughter isotope tantalum-173 by emitting an alpha particle, which is a helium-4 nucleus.

Step-by-step explanation:

The balanced equation for the alpha decay of gold-173 is:

197Au → 173Ta + 4He

In this equation, the parent isotope gold-197 decays into the daughter isotope tantalum-173 by emitting an alpha particle, which is a helium-4 nucleus.

Answer 2

The element gold has 32 isotopes, ranging from A =173 to A = 204. during alpha decay Au will loose 2 in atomic number and 4 in mass number . it will form a iridium isotope and helium . according to the above statement, the balanced equation for the alpha decay of gold 173 will be given as below. 173 169 4 79 Au-------------->77 Ir + 2He