The Ultimate Chemistry Review

We Didn't Learn This

100

What is the difference between pure and applied chemistry?

Pure chemistry is using chemistry to further knowledge in the field of chemistry, and applied chemistry is using chemistry to solve real world issues/scientific problems.

200

Which area of study in chemistry deals with no carbon and nonliving things such as rocks?

Inorganic chemistry

300

Name at least 1 of the 3 steps in the scientific method according to the chemistry textbook.

1) Making observations 2) Proposing and testing hypotheses 3) Developing theories

400

What are the 5 areas of study in chemistry? Hint: one of them is Biochemistry.

Biochemistry Organic chemistry Inorganic chemistry Analytical chemistry Physical chemistry

500

Give me an example of what a biochemist would do.

A biochemist works with chemical processes that happen inside of living things. Therefore, a few examples could be: they work with DNA, they study cells, etc.

This Matters

100

What are the 4 states of matter?

Solid, liquid, gas, plasma

200

What is the difference between elements and compounds?

2 or more elements make up a compound.

300

Is the atomic number located above or below the element's symbol on the periodic table?

Above the symbol.

400

Is odor an intensive physical, extensive physical, or chemical property?

Intensive Physical Property

500

Name 4 ways/evidence to identify a chemical reaction.

1. Change in color/odor/texture/taste, etc.

2. Give off heat or light

3. Produce a gas (bubbles)

4. Form a precipitate (solid)

Do the Math

100

Convert 16.45m to cm

1645 cm

200

~~~DOUBLE POINTS!!!~~~ Are the following measurements more ACCURATE or PRECISE when compared to the measurement of 100.0 degrees. Measurements: 77.4, 78.9, 77.1 degrees

PRECISE.

300

Write the following number in scientific notation: 6,300,000

6.3 x 10^6

400

What is the formula for density?

Density = Mass/Volume (Mass over volume)

500

Calculate the density of a material that has a mass of 52.457 g and a volume of 13.5cm³

3.89 g/cm³

Atoms are Everywhere

100

What is the atomic number of neon (Ne)?

10

200

Name all 3 subatomic particles AND their charges.

Protons +

Neutrons 0

Electrons -

300

How many neutrons does fluorine contain? (Mass # = 19)

10

400

What is an isotope?

Same element, different mass # (different # neutrons)

500

What is the charge on Oxygen when it ionizes?

-2

Electron Configuration

100

S orbitals have what kind of shape?

Spherical (circular)

200

How many electrons does an orbital hold?

2

300

Write the full electron configuration of a carbon (C) atom using the Aufbau principle and the periodic table.

1s² 2s² 2p² 

400

Name all 3 rules for electron configurations. One is a chart/principle. One is a principle. One is a rule.

Aufbau principle Pauli exclusion principle Hund's rule

500

What is the current model of the atom called?

Quantum Mechanical Model or Electron Cloud Model