Atomic Structure — Question 1

Question 11

Draw the atomic diagrams of the following elements showing the distribution of - protons, neutrons & the electrons in the various shells of the atoms.

(a) Carbon - ¹²₆C

(b) Oxygen - ¹⁶₈O

(c) Phosphorus - ³¹₁₅P

(d) Argon - ⁴⁰₁₈Ar

(e) Calcium - ⁴⁰₂₀Ca

[The upper number represents the - mass number & the lower number the - atomic number e.g. calcium - mass number = 40, atomic number = 20]