Ions
What is an anion?
A negative ion
What type of bond is in a molecular compound?
Covalent
What are the products of a complete combustion?
Water + CO2
Balance the following equation: Li + O2 --> Li2O
4Li + O2 --> 2Li2O
A compound that releases H+ in solution.
Acid
What is the chemical formula of the sulfate ion?
SO4 2-
What are the types of elements in a molecular compound? ______ + _______ ?
Non-metal + Non-metal
What type of reaction is O2 + H2 --> H2O
Synthesis
Is this equation HgO -->Hg + O2 balanced? If not, balance it.
No, 2HgO -->2Hg + O2
What is the charge of copper in this formula: CuO
Cu2+
What prefix is used to name an element with 5 atoms?
penta-
Is this equation balanced? Al + H2SO4 --> Al2(SO4)3 + H2
No, 2Al + 3H2SO4 --> Al2(SO4)3 + 3H2
What are the products for a neutralization reaction?
water + salt (ionic compound)
Looking at an oxygen, will it lose or gain electrons, what will its charge be?
It will gain two electrons and have charge of 2-.
What is the name for N2O4?
Dinitrogen tetroxide
What type of reaction is AB + CD --> AC + BD
Double displacement
What number (coefficient) are needed to balance the following equation? KOH + HBr --> KBr + H2O
Which of the following is not an acid?
a.HCl b.HF c. NaCl d. H2SO4
c. NaCl
How is an ionic bond formed?
Electrons are lost from one atom and gained by the another. Electron transfer.
True or False? When the first element in the formula has one atom, mono- is used.
False
What type of reaction is Cu + AgNO3→ Ag + Cu(NO3)2?
Single Displacement
Balance this: C2H6 + O2 --> CO2 + H2O
2C2H6 + 7O2 --> 4CO2 + 6H2O