Question

element aluminium has atomic number equal to 13 how many electrons should it lose to form a positive Ion how will you represent it​

Answer 1

Explanation:

no.of electrons in Al(13) is 13.stable positive ion is Al(+3) state.For Al to become +3 it should loose 3 electrons

Answer 2

Explanation:

k shell is the first shell which has capacity of 2 electrons

l has capacity of 8 electrons

while m has capacity of 18 electrons

configuration of aluminium atom=(2,8) is needed for aluminium to become stable

therefore, it should lose 3 electrons