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Atomic Structure

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Elements, Compounds and Mixtures

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Matter: Anything that takes up mass and takes up space

Compounds

Substance made of more than one Element

They are typically represented by chemical equations

They are formed by Ionic and Covalent Bonds

Covalent Bond is when electrons are shared between to moleculres

Ionic Bonds is when the extra electrons are transferred

Water is H20

Salt is NcCL

Elements

While the same type atoms exist in all matter, the amount of each particle varies and therefore makes different substances

Elements are represented by a symbol

Hydrogen is H

Iron is Fe

Oxygen is O

All Matter is Made up of Atoms

Atoms are made up of three subatomic particles

Electrons are surrounding the nucleus

Electrons have a negative charge

Protons and Neutrons are in the nucleus

Neutrons have a neutral charge

Protons have a positive charge