Covalent Compounds
What are three properties of covalent bonds?
Low melting point, low boiling point, poor conductors, made up of molecules, more flammable, not dissolved in water
What are three properties of ionic bonds?
high melting point, high freezing point, form crystalline solids, hard and brittle, good conductors, form strong bonds
Balance: Al2O3 → Al + O2
2, 4, 3
What type of reaction is :
2Na + Br2 → 2NaBr
Synthesis
Balance the following
___Mg + ___Fe2O3 ⇒ ___MgO + ___Fe
3,1,3,2
How many atoms of each element are in C6H12O6
C- 6
H- 12
O- 6
Element group that is least likely to react with other other elements.
Noble gases
Lithium is a metal with an oxidation number of 1+ and oxygen is a nonmetal with an oxidation number of 2-. What is compound formed by these two elements?
Li2O
How many atoms of Mn and Cl are in 3MnCl2
Mn- 3
Cl- 6
The mass of your products should be ____ to the mass of your reactants. This is due to the Law of Conservation of Matter
Equal
Which group would of nonmetals would Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio?
16
What type of reaction is:
CuCl2 + H2S → CuS + 2HCl
Double Replacement
What does (aq) stand for and what does it mean?
Aqueous- dissolved in water
Sodium chloride comprises 97%-99% of table salt. Give the location of each element on the periodic table, identify the ionic charge for each element and predict the chemical formula of the compound formed.
Sodium (Na) - alkali metal, in Group I with an ionic charge of +1.
Chlorine (Cl)- halogen and is in Group VII with a charge of -1.
Formula- NaCl
How many atoms of each element:
Ba3(PO4)2
Ba- 3
P- 2
O- 8
Ionic bonds form what type of solid?
Crystalline