Which of the following statements are correct as you move across Period $3$ from sodium to chlorine? 1 The nuclear charge increases, so the electrons are attracted more strongly towards it. 2 The radius of the most common ion for each element gets smaller. 3 Shielding due to inner electrons decreases, so the outer electrons are drawn nearer to the nucleus.
- A1, 2 and 3 are correct
- B1 and 2 only are correct
- C2 and 3 only are correct
- D1 only is correct