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    				| 1. | A nucleus 11Na24 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 2412Mg with respect to 2411Na? | 
| Answer» (i) 11Na24 → 12Mg24 + -1e0 + energy (ii) 24 - mass no.(no. of protons and neutrons) 11 - atomic number(no. of protons) (iii) 11Na24 is called parent nuclei. 12Mg24 is called daughter product. | |