Define elements and compounds, Chemistry

Assignment Help:

Q. Define Elements and Compounds?

Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into simpler substances. Carbon, Oxygen, sulphur, aluminium, iron, and gold are elements. Above 110 elements are known but only 91 take place naturally on Earth. The residue have been created by scientists.


Related Discussions:- Define elements and compounds

Concentration of electrons in the conduction band, Concentration of electro...

Concentration of electrons in the conduction band At equilibrium, there is no net current flowing across p-n junction. Concentration of electrons in the conduction band in cond

Cyclic or closed chain compounds, Cyclic or closed-chain compounds Cyc...

Cyclic or closed-chain compounds Cyclic compounds consist of at least one ring or closed chain of atoms. The compounds along with just only one ring of atoms in the molecule a

Redox reaction, the set of numerical coefficients in the equation K2CrO4+HC...

the set of numerical coefficients in the equation K2CrO4+HCl=K2Cr2O7+KCl is

Covalent radius, in borontriiodide distance between two I atoms is found to...

in borontriiodide distance between two I atoms is found to be 3.54. if radius of covalent bonded I atom is 1.33. what is covalent radius of boron

Unpaired electrons are present in cobalt, How many unpaired electrons are p...

How many unpaired electrons are present in cobalt [Co] metal: (1) 2        (2) 3        (3) 4        (4) 7 Ans: 3

Examples of the Spontaneous and Non-spontaneous processes, examples of the ...

examples of the Spontaneous and Non-spontaneous processes

What do you mean by isomers, Q. What do you mean by Isomers? Ans. ...

Q. What do you mean by Isomers? Ans. Compounds like butane and 2-methylpropane which have the same molecular formula but different molecular structures are called isomers

Show the properties of diborane, Q. Show the Properties of diborane? Di...

Q. Show the Properties of diborane? Diborane is a colourless gas (b. p., 183K). It is rapidly decomposed by water with the formation of H 3 B0 3 and H 2 : B 2 H, + 6H 2 0 -

Hofmann method - determination of molecular mass, Hofmann Method - Determin...

Hofmann Method - Determination of Molecular Mass The method is applied to those substances that are not stable at their boiling points, but that may be volatilised with no deco

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd