Question

define elements in brief​

Answer 1

Answer:

an element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element's atoms have the same atomic number. Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.

Answer 2

$\huge \underline{ \underline \color{cyan} \mathtt{Answer⇩}}$

An element is a substance which cannot be split up into two or more simpler substances by the usual chemical methods of applying heat, light or electric energy.

$\underline{ \underline \mathtt{examples⇩}}$

Hydrogen is an element because it cannot be split up into two or more simpler substances by the usual methods of carrying out chemical reactions by applying heat, light or electricity. similarly, oxygen is an element because it cannot be broken down into simpler substances by chemical methods. on the other hand, water is not an element because it can be split up into two simpler substances, hydrogen and oxygen, by electricity.

$\underline{ \underline \mathtt{another \: defination \: for \: elements⇩}}$

An element is a substance which is made up of only one kind of atoms.

$\underline{ \underline \mathtt{examples⇩}}$

copper metal is made of only one kind of atoms called 'copper atoms', so copper Metal is an element.

there are 118 elements known at present, out of which 94 elements occur in nature, while the remaining 24 elements have been prepared artificially.

Every substance in this world is made up of one or more of these elements.

$\underline{ \underline \mathtt {some \: of \: the \: common \: elements \: are⇩}}$

Hydrogen, helium, oxygen, nitrogen, carbon, sulphur, phosphorus, chlorine, bromine, iodine, sodium, potassium, magnesium, calcium, aluminum, copper, silver, gold, zinc, iron, silicon, tin and mercury.

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