Chemistry

Question 1

What does Boyle’s Law describe?

Answer 1

At a constant temperature, pressure and volume of a gas are inversely proportional.

Question 2

What does Charles’ Law describe?

Answer 2

At a constant pressure, volume and temperature of a gas are directly proportional.

Question 3

What is oxidation?

Answer 3

The losing of electrons in a compound.

Question 4

What is reduction?

Answer 4

The gaining of electrons in a compound.

Question 5

What is the oxidation number of a pure element?

Answer 5

Always 0 (Oxidation Rule #1)

Question 6

For single atoms in an ion, what is the oxidation number equal to?

Answer 6

Their charge (Rule #2).

Question 7

What is fluorine’s oxidation number in compounds?

Answer 7

Always -1 (Rule #3)

Question 8

What are the oxidation numbers of Cl, Br, and I?

Answer 8

-1 UNLESS they are combined with O or F. (Rule #4)

Question 9

Hydrogen’s oxidation number is usually what?

Answer 9

+1 (Rule #5)

Question 10

Oxygen’s oxidation number is usually what?

Answer 10

-2 (Rule #5)

Question 11

What is oxidation rule #6?

Answer 11

The oxidation number of a compound is equal to the sum of the oxidation numbers for each atom in the compound.

Question 12

What is an isomer?

Answer 12

Compounds with the same molecular formula, but different arrangements of atoms.

Question 13

What is an optical isomer?

Answer 13

Chemicals that differs in the arrangement of four chemical groups around a chiral carbon. L and D types.

Question 14

What are the denotations of a geometric isomer?

Answer 14

Cis = same side of the molecule
Trans = opposite sides of the molecule

Question 15

What are the prefixes for organic compounds?

Beware, this is long - make sure you get all parts correct!!

Answer 15

one carbon - meth
two - eth
three - prop
four - but
five - pent
six - hex
seven - hept
eight - oct
nine - non
ten - dec