Element Groups
Terms
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- On the periodic table, what are classified as nonmetals?
- Nonmetals are anything to the right of the stair-step line.
- Noble Gases (VIIIA)
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Helium (He)
Neon (Ne)
Argon (Ar)
Krypton (Kr)
Xenon (Xe)
Radon (Rn) - Halogens (VIIA)
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Fluorine (F)
Chlorine (Cl)
Bromine (Br)
Iodine (I)
Astatine (At) - What are diatomic elements?
- Elements composed of molecules that contain two like atoms.
- Name the Diatomic Elements
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H2
N2
O2
F2
Cl2
Br2
I2 - Alkali Metals (IA)
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Hydrogen (H)
Lithium (Li)
Sodium (Na)
Potassium (K)
Rubidium (Rb)
Cesium (Cs)
Francium (Fr) - On the periodic table what are the Metalliods?
- Any element that lies on the stair-step line.
- Chalcogens (VIA)
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Oxygen (O)
Sulfur (S)
Selenium (Se)
Tellurium (Te)
Polonium (Po) - On the periodic table, what are classified as metals?
- Metals are to the left of the stair-step line.
- Alkali Earth Metals (IIA)
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Beryllium (Be)
Magnesium (Mg)
Calcium (Ca)
Strontium (Sr)
Barium (Ba)
Radium (Ra)