6.1 Elements

6.1 Elements

Elements

• Elements are the most basic materials for building the world around for example: Chairs,desks,windows,our skin, the trees, the ocean, the sun and the stars.
• What Are Elements? (Embed)

Atoms

• Atoms are the smallest building of matter, They are so small that they can not be seen
• with even the most powerful optional microscope.
• Just How Small is an Atom? (Embed)

Scanning tunnelling microscope(STM)

• Scanning tunnelling microscope(STM) is a microscope that can show atoms by scanning the a tip across the surface of crystals and sensing the atoms as bumps on the surface.
• scanning tunneling microscope (Embed)

Metallic Elements

• Aluminium, iron, mercury, gold and silver are all examples of Metallic Elements

Non-metallic Elements

• Difference between Metals and Non Metals - Metals VS Non Metals (Embed)
• Oxygen,Carbon,selenuim and sulphur are the examples of Non-metallic Elements.

The periodic table

• The periodic table is a table that shows all the known elements.

Monatomic Elements

• An element that is made up of many individual atoms is known as monatomic.