CHM113

Atoms, Molecules and Ions

100

What is the charge of a proton.

+1

200

What atom has the atomic number of 8?

Oxygen

300

What is the empirical formula for C₆H₆?

CH

400

What is the name of CaO?

Calcium Oxide

500

What is the Empirical Formula for CaBr₂?

CaBr₂

Stoichiometry

100

What is the state of matter abbreviated by (aq)?

Aqueous.

200

What does it mean if an element is oxidized?

If it loses electrons.

300

What is the Percent Yield if the a reaction made 9 moles of a substance but the calculated yield was 10.3 moles.

83.3%

400

What is needed to form a neutralization reaction?

An acid and base.

500

If a solution has a pH of 7, what is it?

Neutral.

Thermochemistry

100

What direction does heat flow?

Hot to cold.

200

What is an Exothermic reaction.

A reaction that releases heat.

300

How many joules in a calorie 

4.184 Joules = 1 calorie

400

If the change in H is positive, what kind of reaction is that

Endothermic

500

What is the measure of the distance a wave travels?

Wavelength

Chemical Bonding and Molecular geometry

100

How many dots are on the Lewis structure of Magnesium?

2

200

What is the electron geometry of an element with 4 bonding groups.

Tetrahedral

300

What is the molecular geometry if there are 5 electron groups and 2 lone pairs?

T-shape

400

If there are 6 electron groups and the molecular geometry is a square pyramid, how many lone pairs are there?

2

500

What is the equatorial bond angle of an element with a trigonal bipyramidal structure.

120 degrees

Gases

100

What is the average air pressure at sea level in PSI

14.7

200

What is Standard Temperature

0 K or 273 C

300

What is Dalton's law of Partial Pressure state

In a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases.

400

What element is the greatest electronegativity? 

Fluorine.

500

What kind of Intermolecular force is present in polar molecules.

Dipole-dipole