SOME IMPORTANT FACTS OF THE ELEMENTS.
1.Until total discovered elements.- 112
2.Elements existing in nature.- 88
3.Artifically (man made) produced elements- 24
4.Number of metallic elements.- 90
5.The element to be found most abundantly on the earth's surface Oxygen The metallic element to be found most abundantly on the earth's surface.----- Aluminium
6.The lightest element to be found in the nature. ------------- Hydrogen
7.The heaviest element to be found in the nature. ------------- Osmium
8.The lightest metallic element to be found in the nature. ------------ Lethium
9.The lightest non-metallic element to be found in the nature.------ Hydrogen
10.The liquid metallic element to be found in the nature.------------- Mercury
11.The liquid non-metallic element to be found in the nature.----------- Bromine
12.The non-metal which is the best conductor of electricity. Graphite(an allotrop of carbon)
13.The metal which is the best conductor of electricity. --------------- Silver
14.he non-metal which is the second conductor of electricity.-------------- Copper
15.The most malleable element to be found in the nature.---------- Gold
16.The most reactive non-metallic element to be found in the nature. -------- Fluorine
17.The most powerful oxidising substance.
------------ Fluorine
18.The group of the most gaseous elements.
------------- Zero group
19.Name of monoatomic elements.
-------------- Inert gases
20.The most abundantly found element in the human body. ------------ Oxygen
21.The element kept inside the kerosene oil.
------------ Sodium
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