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The elements from Na to Al have metallic bonding - the electrostatic attraction between positively charged metal ions and the delocalised electrons. Sodium forms Na+ ions, therefore 1 electron is lost fro...

We all begin life as a totipotent single cell: the zygote. Totipotency is when a cell can differentiate into any cell line of the human body. The zygote divides repeatedly and differentiates to produce ma...

The behaviourist approach looks at different types of conditioning. Classical Conditioning is put forward by Pavlov, looking at learning through association. He uses dogs to show how it works; a dog is gi...

Why?First and foremost an artist statement will help you to clarify your own ideas about your work of art and help others who are viewing your artwork to understand your ideas and methodology, these viewe...

Alpha radiation reduces the mass number of an atom by 4. When an atom's nucleus is unstably large, it emits an alpha particle which consists of two neutrons and two protons. This is called alpha decay. Si...