Chapter 18, Problem 104AE

Interpretation Introduction

Interpretation: The reason of covalent characteristics of Beryllium in some of the compounds unlike other alkaline earth halide needs to be explained.

Concept Introduction:

Metals make the 75 % part of the periodic table. Metals are electropositive elements and mainly form ionic compound whereas non-metals are electronegative elements and can form either covalent or ionic compounds.

The vertical columns of the periodic table are called as groups and the horizontal rows are called as periods. The complete table contains 18 groups and 7 period. The p-block elements are placed at the right side of the periodic table. It contains metals, non-metals and also metalloids.