Term | Definition |
Atom | Smallest piece of matter that has the same properties of the element it is in. |
Proton | A positive subatomic particle in the atom's nucleus. Is the identity of the element and atomic number. |
Neutron | A negative subatomic particle in the atom's nucleus...has no change and most of the mass. |
Electron | A negative subatomic particle spinning outside the nucleus of an atom. Tiny! |
Periodic Table of Elements | A chart that organizes all the elements by atomic number and properties. |
Valence Elements | The electron in the outer level of an atom that causes atom to bond together. |
Chemical Bond | An interaction that holds 2 atoms together. |
Chemical Bonding | The joining of atoms to form new substance. |
Ionic Bond | Is formed when electrons are transferred from one atom to another atom. |
Ion | Charged particles or atoms that gained or lost electrons. |
Crystal Lattice | Repeating 3 dimensional pattern that forms when Ions bond. |
Covalent Bond | The type of bond that forms when atoms share electrons instead of transferring them. |
Metallic Bond | A special bond between metal ions and the electrons that swim around them. |
Ductility | Metals can be stretched and drawn into wires. |
Malleability | Metals can be pounded into thin sheets |
Conductivity | Metal can conduct or carry electricity through wires. |
Thermal Conductivity | Metal can conduct or carry heat in order to cook food. |
Electron Dot Diagram | An easy way to show the valence electrons in an atom or chemical bond. |
Compound | A set of electrons or elements that are chemically bonded and changed into new substance. |
Molecule | 2 or more atoms joined in a definite ratio. keeps phy. 8 chem properties. |
Diatomic Molecule | A molecule made of 2 atoms of the same element |