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10SC Atomic Structur

Year 10 Science keywords for Atomic Structure and Me

TermDefinition
Atom A unit of matter. Consists of protons and neutrons and electrons.
Electron The negatively charged portion of an atom.
Element A substance made from a single type of atom.
Ionic Bond The electrostatic bond between two ions formed through the transfer of one or more electrons.
Matter Anything that has both mass and volume.
Molecule The smallest unit of an element or compound.
Neutron The neutrally charged portion of an atom.
Nucleus The centre of an atom. Contains protons and neutrons.
Proton The positively charged portion of an atom.
Ion An atom in which the number of electrons is different from the number of protons
Ionic Charge When an atom gains or looses electrons.
Created by: vreetan