JEE Main 2014 · 12 Apr · Shift 1 · Chemistry Q46

ChemistrySingle correct+4 / -1Question 46 of 90

Similarity in chemical properties of the atoms of elements in a group of the Periodic table is most closely related to :

atomic numbers

atomic masses

number of principal energy levels

number of valence electrons

Answer and worked solution

Official answer: D

Elements in a group have the same number of valence electrons (the same outer configuration), which governs their chemistry.

JEE Main 2014 · 12 Apr · Shift 1, Chemistry question 46