Which of the following elements are similar in chemical properties?
Neon and Chlorine
Neon and Gallium
Boron and Gallium
Boron and Chlorine
Since Boron and Gallium are elements of the same group i.e., 13th group of the Modern Periodic Table, thus they share same chemical properties.
Write the atomic number and electronic configuration of the following elements.
(i) Sodium
(ii) Chlorine
(iii) Neon
(iv) Magnesium