Sci7 c1 l1_periodic table atom presentation
6
The Periodic Table
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Basic intro to Atom, Element Square
Transcript of Sci7 c1 l1_periodic table atom presentation
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The Periodic Table
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Define the following terms.
1.Proton2.Neutron3.Electron4.Nucleus
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1. Protons: Positive charge
2. Neutron: Neutral
3. Electron: Negative Charge
4. Nucleus: Center of atom
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Why is it appropriate to say that atoms are the “building blocks” of all matter?
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Many periodic tables look different but still contain similar information.
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1. Atomic NumberNumber of ProtonsNumber of ElectronsNumber of Protons = Number of Electrons
2. Symbol: Letter(s) that represent the element (Always begins with a capital letter).
3. Atomic Mass: Number of Protons + the Number of Neutrons in one atom of the element (an average).