Chemistry 

Vocab

Atom

A source of nuclear energy 

Nucleus 

Central core of an atom that consists of protons, neutrons and it's containing nearly all its mass. 

Neutron

 A particle about the same mass as a proton that doesn't have an electrical charge , is present in atomic nuclei except those with ordinary hydrogen 

Proton

Electron 

A subatomic particle that has a negative charge found in all atoms acting as a the primary carrier of electricity in solids. 

Atomic number 

The number of protons in the nucleus of an atom. 

Mass number

The total number of protons and neutrons in a nucleus. 

Element 

Each of one or more hundred substances that can not be chemically broken down into smaller/simpler substances.  

Chemical Symbol 

Periodic Table 

Period 

The name given to a horizontal row in the periodic table. There is seven Periods in the periodic table.

Group/Family

A column of elements in the periodic table of the chemical elements. 

Metal 

Reactivity 

The state or power of being reactive  or the degree to when something is reactive.

Molecule 

A group of atoms bonded together , representing the smallest fundamental unit of the chemical compound that can take part in a chemical reaction. 

Property 

A characteristic or quality in a substance that has been observed. 

Non-metal

Element or substance that does not contain metal 

Metalloid 

An element whose properties are intermediate between metals and non-metal solids. 

luster

The way light interacts with crystal, rock or mineral. 

Malleable 

A material like metal that was able to be pushed/pressed permanently out of shape without being broken or cracked. 

Ductile 

Being able to bend with out loosing toughness.  

Conductivity 

Material able to conduct electricity or some type of form of energy.

Magnetism 

One aspect of the combined electromagnetic force. The force called by magnets.

Corrosion 

The process of corroding metal, stone or other materials. 

Indicate 

Point out or show 

Individual 

Single or separate.