Two layouts of the periodic table one showing how the elements are classified into metals, non-metals, metaloids and Unknown, the other showing the location of d (left and Helium), s (centre), p (right) and f (bottom) blocks
Two layouts of the periodic table one showing how the elements are classified into metals, non-metals, metaloids and Unknown, the other showing the location of d (left and Helium), s (centre), p (right) and f (bottom) blocks
The periodic table entry for Potassium - its symbol is K, its atomic number is 19 and its atomic mass is 39
A simplified periodic table showing the location of d (left and Helium), s (centre), p (right) and f (bottom) blocks. It also shows how rows are called periods and columns are called groups
A simple periodic table of the elements' classification - metals (all the bottom block and top block left and centre), non-metals (top block right and Hydrogen top left), metaloids (in between metals and non metals) and unknown (bottom right top block)