sci7 c1 l1_periodic table atom presentation
Post on 14-Jun-2015
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Basic intro to Atom, Element Square
TRANSCRIPT
The Periodic Table
Define the following terms.
1.Proton2.Neutron3.Electron4.Nucleus
1. Protons: Positive charge
2. Neutron: Neutral
3. Electron: Negative Charge
4. Nucleus: Center of atom
Why is it appropriate to say that atoms are the “building blocks” of all matter?
Many periodic tables look different but still contain similar information.
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).
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