Subject Experts Solutions for Chapter: Periodic Classification of Elements, Exercise 1: Practice Exercise
Subject Experts Chemistry Solutions for Exercise - Subject Experts Solutions for Chapter: Periodic Classification of Elements, Exercise 1: Practice Exercise
Attempt the free practice questions on Chapter 6: Periodic Classification of Elements, Exercise 1: Practice Exercise with hints and solutions to strengthen your understanding. Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Chapter: Periodic Classification of Elements, Exercise 1: Practice Exercise with Hints & Solutions
The best and the poorest conductors of heat, respectively, are:

Match List with List and select the correct combination of ions and isoelectronic ions using the codes given below the lists.
List | List | ||
A. | 1. | ||
B. | 2. | ||
C. | 3. | ||
D. | 4. |

Match the properties given in Column with the metals given in Column and choose the correct option from the codes given below.
Column (Property) | Column (Metal) | ||
A. | Element with the highest second ionisation enthalpy | . | |
B. | Element with the highest third ionisation enthalpy | . | |
C. | in is | . | |
D. | Element with the highest heat of atomisation | . |

Which one of the following elements exists in the liquid state at room temperature?

Which among the following is correct regarding and

Which of the following pairs represents isoelectronic ions?

Match List with List and select the correct answer using the codes given below the lists.
List (Element) | List (Use) | ||
A. | 1. | Timekeeper in atomic clocks | |
B. | 2. | Batteries | |
C. | 3. | Transfer of nerve impulses | |
D. | 4. | Control of the water content in the blood |

The alkali metals have relatively low melting point. Which one of the following alkali metals is expected to have the highest melting point?
