Chapter 6.1, Problem 6LC

Interpretation Introduction

Interpretation:

Set of elements having similar physical and chemical properties is to be identified.

Concept Introduction :

The periodic table is a columnar structure that organizes different elements into groups based on how they behave.The elements in the periodic table of today are ordered according to the periodic law.The elements are organized in the modern periodic table in increasing order of their atomic number.

Answer to Problem 6LC

Option (b)

Explanation of Solution

Strontium, magnesium, calcium, and beryllium belong to the same group which is group 2. Elements of the same group have similar physical and chemical properties because of the same outer shell electronic configuration. The chemical activities are governed by outer shell configuration; therefore, elements of the same group share similar chemical and physical properties.

Conclusion

Option (a) is incorrect because oxygen, nitrogen, carbon, and boron belong to different groups.

Option (c) is incorrect because nitrogen, neon, nickel, and niobium belong to different groups.