Chemistry

study of heat energy involved in chemical reactions. It covers key concepts like enthalpy, endothermic and exothermic reactions, and Hess's Law, providing foundational knowledge essential for understanding energy changes in chemical processes.

I have rewritten the text to make it clearer and corrected any spelling, grammar, and punctuation errors. "These are the difficult topics that I have written about in an easy-to-understand manner."

Pearson Edexcel Level 3 GCE In Chemistry (9CH0) Advanced   PAPER 1: Advanced Inorganic and Physical Chemistry QUESTION PAPER AND MARK SCHEME (MERGED)

Pearson Edexcel Level 3 GCE In Chemistry (8CH0) Advanced Subsidiary   PAPER 1: Core Inorganic and Physical Chemistry MERGED QUESTION PAPER AND MARK SCHEME

What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have the same chemical properties? - ANSWERS This is...

It is a well written notes of Haloalkanes and Haloarenes .I have written it with the help of NCERT book,and internet websites .These notes are best for board exams as well as for JEE and NEET.

Simplified note of periodic table in one go

this document is about the bond order of molecules and formula to calculate bond order

this document is about the bond order of molecule and formula to calculate the bond order