Naming Ionic Compounds
Na2S
Sodium Sulfide
Write the formula for magnesium chloride
MgCl2
What is the formula of sulfate?
SO₄²⁻
What is a positively charged ion called?
Cation
Ionic bonds
Ca(NO3)2
Calcium Nitrate
Write the formula for aluminum oxide.
Al2O3
What is the formula of ammonium?
NH4+
What is a negatively charged ion called?
Anion
Why do ionic compounds conduct electricity when melted?
Because ions are free to move.
Co(NO3)3
Cobalt (III) Nitrate
Write the formula for iron(III) bromide.
FeBr3
Name NH₄NO₃
Ammonium Nitrate
How does a sodium atom become Na⁺
It loses one electron
Are molecular solids generally good or poor conductors of electricity?
Poor conductors
Pb(C2H3O2)4
Lead (IV) Acetate
Write the formula for calcium phosphate.
Ca3(PO4)2
What is the charge of carbonate
2-
Which ion has a larger radius, Cl or Cl-?
Cl-
Why do ionic compounds generally have high melting points?
Strong electrostatic attractions require large amounts of energy to break.
(NH4)2Cr2O7
Ammonium Dichromate
Write the formula for chromium(VI) oxide.
CrO3
NH4NO3 has both covalent and what other type of bond
Ionic
Why are ionic compounds electrically neutral?
The total positive and negative charges balance to zero
Which would likely have the higher melting point: NaCl or CO₂?
NaCl