Important Solved Questions on Mole Concept
Important Solved Questions on Mole Concept Que 1. Calculate the number of atoms of each type in 5.3 gram of sodium carbonate (Na2CO3).\ Ans 1. Given mass of sodium carbonate…
Important Solved Questions on Mole Concept Que 1. Calculate the number of atoms of each type in 5.3 gram of sodium carbonate (Na2CO3).\ Ans 1. Given mass of sodium carbonate…
d and f block elements Notes Introduction The elements lying in the middle of the periodic table belonging to groups 3 to 12 are known as d – block elements.…
NEET and JEE Questions p-Block Elements Que 1. Which of the following elements does not form stable diatomic molecules. (a) Iodine (b) Phosphorus (c) Nitrogen (d) Oxygen Ans…
Classification Of Elements And Periodicity In Properties Classification and Blocks in Periodic Table: Topics covered: Earlier classifications Dobereiner’s Triads Newland’s law of octaves Mendeleev’s Periodic Classification Modern Periodic Table or…
Structure of Atom Notes Class 11 STRUCTURE OF ATOM Structure of Atom The term atom was introduced by Dalton and is defined as the smallest particle of an element that…
Shapes of Orbitals and Electronic Configuration Shapes of Orbitals: (i) s-orbitals: For s-orbitals, Ɩ = 0 and hence m = 0. So, there is only one possible orientation for s-orbitals. They are…
p-Block Elements Class 12 Important Questions Que 1. Sulphur has more tendency to show catenation than oxygen. Explain. Ans 1. Due to the stronger S‐S bond and due to small…
p-Block Elements Class 12 Notes p-Block Elements Class 12 Notes The elements in which the last electron enters in the valence p-subshell are called the p-block elements. They include elements…
Electrochemistry Class 12 Notes Syllabus:- Electrolytic cells & Galvanic cells The function of Salt Bridge Redox reaction, EMF of the cell, standard electrode potential Standard hydrogen electrode (SHE) Nernst…
Surface Chemistry Notes Class 12 Surface Chemistry is the branch of chemistry that deals with the study of the phenomenon occurring at the surface than bulk. Adsorption: The accumulation of…