Periodic Table Flashcards
Alkali Metals
group of metals on the left-hand side
Alltropes
structurally different forms of the same element
Cyclohexane
C6H12, used for dissolving halogens
Diatomic
atoms that exist in pairs
Extrapolate
extending a curve on a graph
Hallogens
groups of seven toxic non-metals elements that have coloured vapours, with low melting and boiling points and are poor conductors
Fl
Fluorine
gas at room temperature, used to prevent tooth decay, processes nuclear fuel
Cl
Chlorine
gas at room temperature, used to make disinfectants and antiseptics
Br
Bromine
liquid at room temperature, used in leaded petrol, medicines and photography
I
Iodine
solid at room temperature, used in animal food supplements
At
Astatine
solid at room temperature
Inert
unreactive
Monoatomic
atoms that exist as individual atoms and do not form chemical bonds with each other or other elements
Noble Gases
inert, or unreactive, gases on the right hand side of the periodic table
He
Helium
used to fill balloons and air ships as it is lighter than air