Atoms Flashcards
Where are non-metals and metals located.
The elements to the left of the bold black line are the metals and elements to the right are non-metals.
Atom
The smallest part of an element that can still be recognised as that element.
Compound
A substance made when two or more elements are chemically bonded together.
Periodic table
An arrangement of elements in the order of their atomic numbers, forming groups and periods.
Nucleus (of an atom)
The very small and dense central part of an atom that contains protons and neutrons.
Electron
A tiny particle with a negative charge. Electrons orbit the nucleus of atoms or ions in shells.
Element
A substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance.
Group
All the elements in the columns (labelled 1 to 7 and 0) in the periodic table.