Question

A nucleus `"_11Na^24` emits a beta particle to change into Magnesium (Mg).
(i) Write the symbolic equation for the process.

(ii) What are numbers 24 and 11 called?

(iii) What is the general name `"_12^24Mg` with respect to `"_11^24Na`?

Answer 1

(i) \[\ce{_11Na^24 -> _1Mg^2 + _-1e^0 + energy}\]

(ii) 24 - mass no. (no. of protons and neutrons)

11 - atomic number (no. of protons)

(iii) `"_11Na^24` is called parent nuclei.

`"_12Mg^24` is called daughter product.