Atomic Structure
Compound Structure
Substance Properties
Chemical Reactions
Kinetics
100

What is the charge and relative mass of a neutron?

No charge and 1 atomic mass unit.

100

What type of bond involves the sharing of electrons?

Covalent bonds.

100

What is the state of matter with a definite volume but no definite shape?

Liquid.

100

What type of reaction is 2H2+O2->2H2O

Synthesis.

100

What does the rate of a chemical reaction measure?

The change in concentration of a reactant of product over time.

200

What subatomic particle defines the atomic number of an element?

Protons.

200

What is the shape of a molecule with 4 bonding pairs and no lone pairs of electrons on the central atom?

Tetrahedral.

200

What type of intermolecular forces are present in all molecules?

London Dispersion Forces.

200

What does the term "stoichiometry" refer to?

Calculation of reactants and products in chemical reactions.

200

What are two factors that increase reaction rate?

Temperature and concentration.

300

What term describes the weighted average mass of all naturally occurring isotopes of an element?

Atomic mass.

300

What theory explains the 3-dimensional shapes of molecules based on electron pair repulsion?

VESPR Theory.

300

Rank the three phases of matter in order of increasing entropy.

solid<liquid<gas.

300

What is the limiting reactant in a chemical reaction?

The reactant that is consumed and limits the amount of product formed.

300

If a graph of ln[concentration] vs. time is linear, what is the order of the reaction?

First order.

400

What experiment led to the discovery of the nucleus?

The gold foil experiment.

400

Why is CO2 nonpolar even though it contains polar bonds?

The molecular geometry is linear and the dipoles cancel out.

400

Why does water have a relatively high boiling point?

Hydrogen bonding.
400

Balance the equation _Al+_Cl2->_AlCl3

2Al+3Cl2-> 2AlCl3

400

How does a catalyst affect a reaction system?

Lowers the activation energy.

500

What is the full electron configuration for Phosphorus?

1s22s22p63s23p3

500

What is the hybridization of the central atom in H2O?

sp3.

500

How does polarity affect solubility in solvents?

Like dissolves like.

500

If 4.00g of H2 reacts with excess O2, how many grams of H2O are formed?

35.6g H2O.

500

A reaction is first-order in A and second-order in B, write the rate law.

rate=k[A][B]2