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CH 7/8 (PHOSPHORUS has 5 valence electrons, MAGNESIUM has 2 valence…
CH 7/8
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Electron Configuration of calcium= 1s2, 2s2, 2p6,3s2,3p6, 4s2
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An IONIC COMPOUND is salt, held together by ionic bonds, and is composed of anions and cations
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Ionic Compounds are solids and have a high boiling point
Covalent Compounds are gases or solids with a low melting point
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DIATOMIC MOLECULES= Br2, I2, N2, Cl2, H2, O2, F2
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