Chemistry 4 Fun @Chemy4Fun
Belajar Kimia Dasar INDONESIA Joined January 2012-
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Non-Metal Suffixes -ide for Ionic Compounds: Oxygen > Oxide Phosphorous > Phosphide Fluorine > Fluoride Chlorine > Chloride
Ba^2+ plus O^2- => Ba 2 plus O 2 => Ba2O2 simplified => BaO So the Formula Unit of Barium Oxide is "BaO".
Ba^2+ plus O^2- Use crisscross method! Put the exponent of Ba (2+) on Oxygen => O 2 Put the exponent of O (2-) on Barium => Ba 2
After releasing its 2 valence electrons, Ba (Barium) has +2 Ionic Charge. Ba^2+ while O (Oxygen) is O^2-
Ba (Barium) is on the 2nd group of Periodic Table. So it has 2 valence electrons. To make Octet Rule, Ba has to give up its 2 electrons.
What is the Formula Unit of Barium Oxide?
Al^3+ plus O^2- => Al 2 plus O 3 => Al2O3 So the Formula Unit of Aluminium Oxide is "Al2O3"
Al^3+ plus O^2- Use crisscross method! Put the exponent of Al (3+) on Oxygen => O 3 Put the exponent of O (2-) on Aluminium => Al 2
After gaining 2 more electrons, O (Oxygen) has -2 Ionic Charge. O^2-
O (Oxygen) is on the 16th group of Periodic Table. So O has 6 valence electrons. To make Octet Rule, O has to gain 2 more electrons.
After releasing its 3 valence electrons, Al (Aluminium) has +3 Ionic Charge. Al^3+
Al (Aluminium) is on the 13th group of Periodic Table. So Al has 3 valence electrons. To make Octet Rule, Al has to give up its 3 electrons.
What is the Formula Unit of Aluminium Oxide?
Na^1+ plus P^3- => Na 3 plus P 1 => Na3P1 => Na3P So the Formula Unit of Sodium Phosphide is "Na3P".
Na^1+ plus P^3- Use crisscross method! Put the exponent of Na (1+) on Phosphorous => P 1 Put the exponent of P (3-) on Sodium => Na 3
After gaining 3 more electrons, Phosphorus has -3 Ionic Charge. P^3-
P (Phosphorus) is on the 15th group of Periodic Table. So P has 5 valence electrons. To make Octet Rule, P has to gain 3 more electrons.
After releasing its 1 valence electron, Na (Sodium) has +1 Ionic Charge. Na^1+ or just simply Na^+
Na (Sodium) is on the 1st group of Periodic table. So Na has 1 valence electron. To make Octet Rule, Na has to give up its 1 electron.
What is the Formula Unit of Sodium Phosphide?
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