Molecular Compounds
What type of elements are molecular compounds made of?
Non-metals
What type of elements are ionic compounds generally made of?
Metal + Non-metal
What type of reaction is:
2 HgO --> 2 Hg + O2
Decomposition
Name the following acid:
HBr
Hydrobromic acid
What does the roman numeral in the name chromium (II) sulphate indicate?
The charge on the chromium in the chromium atom
What happens to the electrons in a molecular compound?
Electrons are shared between non-metals
What happens to the electrons in an ionic comcpound?
Electrons are transferred from the metal to the non-metal
Will the following single displacement reaction successfully happen? If yes, what are the products?
Pb + FeSO4 --> ?
Yes.
Fe + PbSO4
Name the following base:
Cu(OH)2
Copper (II) hydroxide
How many protons, neutrons, and electrons does a chlorine ion have?
17 protons, 19 neutrons, 18 electrons
Name the following molecular compound:
N2O5
Dinitrogen pentaoxide
What is the correct formula for the following ionic compound?
Iron (II) phosphate
Fe3(PO4)2
What are the products of the following double displacement reaction?
Na3PO4 + KOH --> ?
NaOH + K3PO4
What are the pH ranges for acids and for bases?
Under 7 (0 - 6.9) = Acid
Over 7 (7.1 - 14) = Base
What is the difference between an anion and a cation?
Anion - Negatively charged ions
Cation - Positively charged ions
What is the correct formula for the following molecular compound?
Trisulfur hexabromide
S3Br6
Name the following ionic compound:
MnCl4
Manganese (IV) chloride
Balance the following chemical equation:
__ MgI2 + __ Mn(SO4)2 --> __ MgSO4 + __ MnI4
2 MgI2 + 1 Mn(SO4)2 --> 2 MgSO4 + 1 MnI4
What is the correct formula for the following acid?
Chloric acid
HClO3
How do blue and red litmus paper change for acids and bases?
Red litmus paper - Red in acid, blue in base
Blue litmus paper - Blue in base, red in acid
What are 3 properties of molecular compounds?
- Not soluble in water (mostly)
- Poor conductors of electricity
- Low melting points
Name the following ionic compound:
Pb(SO4)2
Lead (IV) sulphate
Balance the following chemical equation:
__ HNO3 + __ Mg(OH)2 --> __ H2O + __ Mg(NO3)2
2 HNO3 + 1 Mg(OH)2 --> 2 H2O + 1 Mg(NO3)2
What is the correct formula for the following base?
Ammonium hydroxide
NH4OH
When ammonium nitrate (NH4NO3) explodes, the products are nitrogen, oxygen, and water. When 40 grams of ammonium nitrate explodes, 14 grams of nitrogen and 8 grams of oxygen form. How many grams of water form?
NH4NO3 → N2 + O2 + H2O
18 grams of water is produced