Lavoisier and Joseph L. Proust proposed two laws of chemical combination. during a chemical reaction, the sum of masses of the reactant and the pro...

Read ( 0 min )

Atom, Atomic Mass, Atoms Existence And Nomenclature Of Elements

jagriti
12 May 2020

Atoms are extremely small, they are smaller than anything that we can imagine or compare with.For example – more than millions of atoms when stacked...

Read ( 0 min )

Chemical Formula of compounds and rules for writing

jagriti
14 May 2020

The symbolic representation of composition is termed as the chemical formula of a compound. Two things are required to learn and write a chemical f...

Read ( 0 min )

Molecular Mass and Mole Concept

jagriti
14 May 2020

The summation of the atomic masses of all the atoms in a molecule of the substance is known as the molecular mass of that substance. It is expresse...

Read ( 0 min )

Physical composition of matter

jagriti
16 Nov 2019

Although there are so many factors behind the existence of physical composition of matter but here basically we will be dealing with the f...

Read ( 0 min )

Chemical composition of matter

jagriti
17 Nov 2019

chemical composition of matter is the classification of matter on the basis of it's chemical properties. It is further divided into 3 types ...

Read ( 0 min )

Charged Particles in Matter | Electrons and Protons

jagriti
19 Mar 2021

A matter is consists of many atoms and an atom is consists of electrons, protons and neutrons. of these electrons and protons are the equally oppo...

Read ( 0 min )

Thomson, Rutherford and Bohr model of atom.

jagriti
25 Mar 2021

Thomson's atomic model proposed that an atom is uniform sphere of positive charges (due to presence of protons ) as well as the negative charges (...

Read ( 0 min )

Videos ❯

🗘