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Chapter 9 Coggle (Atoms (Ion (Consists of single atom; Positive or…
Chapter 9 Coggle
Atoms
Ion
Consists of single atom; Positive or Negative Charge
Cation
Atom or group of atoms having a negative charge
Definite Composition
Masses of elements are always same proportion by mass
Formulas and Compounds
Formula of barium hydroxide
Ba(OH)2
Compound Fe(NO3)2
Iron(II) nitrate
Formula of barium chlorate
Ba(CIO3)2
Differences of Formula
Chemical Formula
H20
Structural Formula
H-O-O-O-O
Molecular Bonds vs Ionic Bonds
Ionic Bonds
Non-Metal
Lower B.P, Lower M.P.
Molecular Bonds
Metal
High MP and BP
Types of Electrons
Shared
Covalent Electrons
Un-Shared
Valence Electrons
Determining Factor of a molecule
Unshared pair of electrons
Polyatomic Ions
More than one element
Has a charge