About 106 elements are clearly known so far
·
Elements upto atomic number 92 are occur in nature after that they are
artificial and the first synthetic element is Technetium(Z=43)
·
In 106 elements 83 are metals
·
11 are gaseous elements they are 11 elements are gas : H, He, N, O, F, Ne, Cl,
Ar, Kr, Xe, Rn
·
2
elements are liquid : Br and Hg
·
The
most abundant metal in earth's crust is Al
·
The
most abundant element in earth's crust is oxygen
·
The
most abundant element in the human body is hydrogen
·
The
element with highest M.P is carbon
·
The
element with highest B.P is Rhenium
· The
metal with highest M.P is Tungsten
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