Symbols and Charges
Write the symbol (including charge) for the following cation
Chromium (II) ion
Cr2+
Name the following ionic compound:
Fe₂(SO₄)₃
Iron (III) sulfate
For each property, state whether it is a characteristic of an ionic or covalent compound.
High melting point
Poor conductivity
Low solubility in water covalent
Physical state is a gas at room temperature and pressure
1. ionic
2. covalent
3. covalent
4. covalent
Identify whether the compound is ionic or covalent, then write its name.
N₂O₄
Covalent — Dinitrogen tetroxide
Identify whether it is ionic or covalent, then write the formula.
Sodium phosphate
Ionic
Na₃PO₄
Write the symbol (including charge) for the following cation
Iron (III) ion
Fe3
Write the correct formula for:
Copper (I) nitride
Cu₃N
Draw Lewis Structures for the compound. And then Specify their shapes.
PH₃
..
H:P:H
..
H
trigonal pyramidal
Identify whether the compound is ionic or covalent, then write its name.
Al₂O₃
Ionic — Aluminum oxide
Identify whether it is ionic or covalent, then write the formula.
Aluminum sulfate
Ionic
Al₂(SO₄)₃
Write the symbol (including charge) for the following cation
Manganese (VII) ion
Mn⁷⁺
Name the compound
Cr(OH)₃
Chromium (III) hydroxide
According to VSEPR theory, what causes some molecules to have a bent shape (as opposed to being linear or flat)?
Repulsive forces of unshared paired of electrons
Identify whether the compound is ionic or covalent, then write its name (include Roman numeral if needed).
Cu₃P₂
Ionic — Copper (II) phosphide
Identify whether it is ionic or covalent, then write the formula.
Iron (III) nitrate
Ionic
Fe(NO₃)₃
Write the symbol (including charge) for the following cation
Tin (IV) ion
Sn⁴⁺
Write the correct formula for:
Lead (IV) phosphate
Pb₃(PO₄)₄
Determine whether the following are polar or non-polar molecules
CF4 b) PCl3 c) CH3Br
Nonpolar Polar Polar
Identify whether the compound is ionic or covalent, then write its name
P₄O₁₀
Covalent — Tetraphosphorus decoxide
Identify whether it is ionic or covalent, then write the formula.
Copper (II) hydrogen phosphate
Ionic
Cu(HPO₄)₂
Write the symbol (including charge) for the following cation
Gold (III) ion
Au³⁺
Name the compound and determine the charge on cobalt:
Co₂O₃
Cobalt (III) oxide
Cobalt charge: +3
List the different types of intermolecular forces in order of increasing strength.
Dispersion Forces
Dipole Interactions
Hydrogen Bonds
Identify whether the compound is ionic or covalent, then write its name
Fe₂(SO₄)₃
Ionic — Iron (III) sulfate
Identify whether it is ionic or covalent, then write the formula.
Lead (IV) phosphate
Ionic
Pb₃(PO₄)₄