Nomenclature A. Look at each formula in the list below and identify each As Acid (A), Ionic (I), or Molecular (M) in the first column As binary (B) or polyatomic (P) in the second column As Type II (T) if it contains a type II metal . Formula Acid , Ionic, or Molecular Binary or Polyatomic ion Type II metal KI НСІ BaSO 4 SO 2 Fe(NO 3 ) 2 H 2 SO 4 B. Write names for the ions found in each ionic compound and indicate the charge on each individual ion (not the total charge). Include roman numerals with the cation if necessary. Name of Cation Charge Name of Anion Charge ScCl 3 PbS2 K 2 SO 4 Al(C 2 H 3 O 2 ) 3 Fe 2 O 3 Mn(HCO 3 ) 2 2 CsMnO 4 (NH 4 ) 2 SO 3 37
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
The inorganic compounds are named in accordance to the chemical nomenclature.
Compounds containing 2 types of ions or atoms in their appropriate ratios are termed as Binary compounds.
Compounds containing an ion of more than one atom i.e. a polyatomic ion are termed as Polyatomic.
Compounds containing H+ along with non-metal or polyatomic ion are listed as acid.
If the compound contains a metal ion other than alkali metal or alkaline earth metals, the metal ion present is termed as Type II metal ion.
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