Atoms and other Building Blocks of Matter by Dr H - W Winter Blue slides Just read and enjoy Yellow slides Complete the tasks on your worksheets.

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Presentation transcript:

Atoms and other Building Blocks of Matter by Dr H - W Winter Blue slides Just read and enjoy Yellow slides Complete the tasks on your worksheets

Atomic Theory Atoms are so small that we cannot see them, even with the best microscopes in the world. An atom is an incredibly small building block of matter.

Atoms Missing Slides

Table of Sub-Atomic Particles Name Mass (mass units) Charge on Particle Where foundSymbol Proton1+Nucleusp+p+ Electron1/2000- Electron shells e-e- Neutron10Nucleusnono Have you finished copying the information?

Atoms Missing Slides

Carbon 6 protons and 6 neutrons 2 in the 1 st shell 4 in the 2 nd shell 6 electrons are found in the electron shells: Most of the atom is empty space The nucleus is the heaviest part of the atom. make up the nucleus

Atoms Missing Slides

Types of Particles Ions Ions are atoms (or a group of atoms) that have gained or lost electrons and become a charged particles. Na + Sodium ion SO 4 2- Sulfate ion OH - Hydroxide ion Cl - Chloride ion

Atoms Missing Slides

Types of Matter 21%O 2 Salt Water: - + Mixture Mixtures contain several different particles blended together. Air: 0.04%CO 2 1%Ar 78% N 2 Na + (sodium ions) H2OH2O Cl - (chloride ions)

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