Element A has atomic mass 23 and element B atomic mass 7 and also have 12 neutrons and 4 neutrons respectively.

      

Element A has atomic mass 23 and element B atomic mass 7 and also have 12 neutrons and 4 neutrons respectively.
a) Write the electron arrangement of A and B
b) Which element has higher ionization energy? Explain

  

Answers


sharon
(a) Atomic No. of A 23 – 12 = 11
A = 2. 8 . 1
B = 2 . 1
(b) B,Its outermost electron experience stronger nuclear attraction / B has smaller
atomic radius/ has fewer energy levels.
sharon kalunda answered the question on May 21, 2019 at 06:57


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