All category's
If you were to make an air plane, what would you use?
Aluminium!
what was the first element to be officially called a element?
technetium
what is an element made of?
atom
who invented the periodic table?
Chemist Dmitri Mendeleev
what does the periodic table contain?
it contains all the know chemical elements.
name three of the categories in the periodic table.
Alkali metals
Alkaline earth metals
Transition metals
Post transition metals
Halogens
Noble gases
Lanthanides
Actinides
Super heavy metals
Metalloids
Non metals
what is an atom made of?
protons, neutrons and electrons
what category is carbon in?
nonmetals
why was the periodic table organised?
It was invented to organise, compare and see the elements similar relations with each other
what is an atom made of?
protons, neutrons and electrons
how many categories are in the periodic table?
11 in total
when was the periodic table made?
it between 1868 and finished in 1870.