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FACTS ABOUT ELEMENTS

Name of the
Fact to remember
element

A variant of an element with different number Isotope

of neutrons is known as its

Different physical form of an element is Allotrope
known as its (e.g. graphite and diamond)

Element most abundant in the Universe Hydrogen

Element most abundant in the human body Oxygen
Element which forms more than 10 million Carbon

compounds

Element with the lowest melting and boiling Helium
point

Element with the highest melting point Carbon

Element with the highest boiling point Tungsten
Element with highest density Osmium

Element with lowest density Hydrogen

Element with highest electronegativity Flourine

Element with lowest electronegativity Francium
(highest electropositivity)

The first element to be produced artificially Technitium

The most corrosion resistant element (which Iridium
cannot be affected by water, chemicals or

acids)

The element which was discovered on the Helium
Sun before it was found on the Earth

The non-metallic element which is liquid at Bromine
room temperature

The metallic element which is liquid at room Mercury
temperature

The most reactive element Flourine