NCERT Section

Author:Subject Experts

Subject Experts Chemistry Solutions for Exercise - NCERT Section

Simple step-by-step solutions to NCERT Section questions of Periodic Classification Of Elements from Foundation Course Chemistry. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from NCERT Section with Hints & Solutions

HARD
10th CBSE
IMPORTANT

What were the limitations of Newlands' law of octaves?

HARD
10th CBSE
IMPORTANT

Use Mendeleev's Periodic table to predict the formulae for the oxides of the following elements: K, C, Al, Si

MEDIUM
10th CBSE
IMPORTANT

Besides gallium, which other elements have since been discovered that were left by Mendeleev in his periodic table? (any two)

EASY
10th CBSE
IMPORTANT

What were the criteria used by Mendeleev in creating his periodic table? 

EASY
10th CBSE
IMPORTANT

Why do you think the noble gases are placed in a separate group? 

MEDIUM
10th CBSE
IMPORTANT

How could the Modern Periodic Table remove various anomalies of Mendeleev's Periodic Table?

EASY
10th CBSE
IMPORTANT

What property do all elements in the same column of the periodic table have as boron has in common?

MEDIUM
10th CBSE
IMPORTANT

What property do all the elements in the same group of the periodic table have as fluorine has in common?