Element of the Week


BORON


Atomic Number: 5

Atomic Mass: 10.811

Element Category: Metalloid Group: 3 Number of Electrons in Outer Shell: 3

BORON


The name Boron comes from the mineral in which it was originally mined, called borax.

Find out more


CARBON


Atomic Number: 6

Atomic Mass: 12.011

Element Category: Other Non-Metals Group: 4 Number of Electrons in Outer Shell: 4

CARBON

The English name carbon comes from the Latin carbo for coal and charcoal.
Find out more


NITROGEN


Atomic Number: 7

Atomic Mass: 14.007

Element Category: Non-Metal Group: 5 Number of Electrons in Outer Shell: 5

NITROGEN

Nitrogen was discovered by Daniel Rutherford in 1772 and named by Jean-Antoine Chaptal in 1790.
Find out more


OXYGEN


Atomic Number: 8

Atomic Mass: 15.999

Element Category: Non-Metal Group: 6 Number of Electrons in Outer Shell: 6

OXYGEN

Oxygen is a diatomic molecule, meaning that two atoms of oxygen combine to form the element in its natural state.

Find out more

Video Gallery…

These short videos show you how do things safely and correctly to give you confidence when you do them yourself in the lab.  You can watch them as many times as you need to get clued up on basic lab skills, then impress your teacher with your know-how!

Shaking a Test Tube:  we often use test tubes for chemical tests and need to dissolve powder into liquids.  This short film shows you how to shake the solution without spillage.

More videos…
Holly Chrishop

People like you…

Holly Chrishop graduated in 2013. She is now a project manager for Catalent Pharma solutions.

Read Holly’s interview

Glossary…

Acid

Compound that gives off H+ ions in solution.

Base

Substance which gives off hydroxide ions (OH-) in solution.

Atom

The smallest object that retains properties of an element. Composed of electrons and a nucleus (containing protons and neutrons).

Compound

Two or more atoms joined together chemically, with covalent or ionic bonds.

Electron

One of the parts of the atom having a negative charge. Indivisible particle with a charge of -1.

Element

Substance consisting of only one type of atom.

Volume

Measures the size of an object using length measurements in three dimensions. A good way to measure liquid quantities