Awadhesh Kumar Singh Solutions for Chapter: Periodic Classification of Elements, Exercise 1: EXERCISES
Awadhesh Kumar Singh Chemistry Solutions for Exercise - Awadhesh Kumar Singh Solutions for Chapter: Periodic Classification of Elements, Exercise 1: EXERCISES
Attempt the practice questions on Chapter 1: Periodic Classification of Elements, Exercise 1: EXERCISES with hints and solutions to strengthen your understanding. Foundation Science Chemistry FOR CLASS 10 solutions are prepared by Experienced Embibe Experts.
Questions from Awadhesh Kumar Singh Solutions for Chapter: Periodic Classification of Elements, Exercise 1: EXERCISES with Hints & Solutions
Give an example of an element discovered after Mendeleev gave the periodic table.
How many elements are there in the third period? (Write answer in number)
Give symbols for a metal belonging to the second group of the periodic table.
Give symbols for a metal belonging to the third group of the periodic table
Give symbols for the most active halogen.
Two elements X and Y belong to groups I and 2 respectively in the same period. Compare them with respect to (a) the number of electrons in the outermost shell, (b) the number of valence electrons, (c) metallic character, (d) size of the atoms and (e) formula of the oxides, hydrides and chlorides.
Explain the term ionization energy. Mention the units in which they are measured. How do they generally vary (i) in a group and (ii) in a period?
Explain the term electron affinity. Mention the units in which they are measured. How do they generally vary (i) in a group and (ii) in a period?
