Parts of an atom
The smallest part of an element, the building blocks of all matter.
What is an atom?
The symbol for Helium
What is He?
The name for the element with the symbol Cl.
What is Chlorine?
The property of elements that is used to order them along columns and rows in the periodic table.
What is atomic number?
The number of an element, corresponds to the number of protons.
What is atomic number?
The negatively charged particle that orbits the nucleus of an atom.
What is an electron?
The symbol for Fluorine.
The name for the element with the symbol Mg.
What is Magnesium?
A column of elements on the periodic table that have similar physical and chemical properties.
What is a group?
A measure of the amount of matter in an atom, corresponds to the number of protons plus neutrons.
The neutral particle (particle with no charge) in the centre of an atom.
What is a neutron?
The symbol for Aluminium.
What is Al?
The name for the element with the symbol K.
What is Potassium?
A row of elements on the periodic table.
What is a period?
An element that is generally shiny, solid at room temperature, conducts heat and electricity well and can be bent (is malleable) or drawn into long wires (is ductile).
What is a metal?
The positively charged particle in the nucleus of an atom.
The symbol for Argon.
What is Ar?
The name for the element with the symbol Na.
What is Sodium?
A diagram that organises elements by their chemical and physical properties.
What is the periodic table?
An element that is generally dull, gaseous at room temperature, does not conduct heat or electricity well and cannot be bent or drawn into long wires (is brittle).
What is a non-metal?
The centre of an atom, which contains protons and neutrons.
What is the nucleus?
The symbol for Gold.
What is Au?
The name for the element with the symbol Ag.
What is Silver?
The number of known elements, the number of elements on the periodic table.
What is 118?
An element that has some of the properties of a metal and some of the properties of a non-metal.
What is a semi-metal/metalloid?