Key words Flashcards
Element
A substance made up of only one type of atom
Native element
An element that occurs naturally
Compounds
Two or more elements that are chemically joined together
Atom
The basic building blocks of an element that cannot be broken down
Periodic Table
A table of all the known elements in order of atomic number
Atomic number
Number of protons in an element
Atomic mass
Number of protons and neutrons
Ductile
Able to be stretched out to a thin wire
Malleable
Able to be bent without breaking
Sonorous
To make a sound like a bell when hit
Conductor
A material that allows heat to pass easily
Halogen
A group of non-metal elements
Salt
The type of chemical compound which is the product of a neutralisation reaction
Noble gas
Unreactive substances in group 8 of Periodic Table
Inert
Chemically unreactive
Metalloid
Show properties of metals and non-metals
Semi-conductor
Material used in electronic circuits
Crystalline
Solvent evaporates to leave solid crystals
Solvent
The liquid in which a substance is dissolved in
Radioactive
A material that emits nuclear radiation
Extraction
To get metal from an ore
Ore
The rock from which a metal is extracted
Electrolysis
To separate using electricity
Reduction
Reducing the amount of oxygen in a compound
