Answer to Question #106001 in Chemistry for Raymond

Question

Write down the equation for the alpha decay of Gold-185. (The symbol for gold is Au and its atomic number is 79). What is the mass of the daughter nuclide in your equation?

Answer 1

Solution:

The equation for the alpha decay of Gold-185:

alpha particle = (4/2)He = Helium-4.

Ir-181 = Iridium-181 - daughter nuclide in this equation.

181 - is the mass of the daughter nuclide (Ir).

Answer:

The equation for the alpha decay: (185/79)Au = (181/77)Ir + (4/2)He;

181 is the mass of the daughter nuclide - (181/77)Ir.