Module #1
Basic Chemistry
Formulas and Measurements
Atoms
Electron Configuration and Nature of Light
100

What is the definition of matter?

Anything that has mass and takes up space.

100

Where can we find information about elements?

The Periodic table!

100

How many sig figs does the following measurement have: 4,007 ml

4

100

What is the heaviest particle in an atom?

the neutron

100

S orbitals have what kind of shape?

Spherical (circular)

200

What common thing around us has no mass and takes us no space?

Light

200
What are the 3 states of matter?
Solid, liquid, gas
200

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.

200

Name all 3 subatomic particles.

Protons Neutrons Electrons

200
What is the current model of the atom called?
Quantum Mechanical Model
300

One cubic centimeter is the same as what?

one milliliter

300
Is the atomic number located above or below the element's symbol on the periodic table?
Above the symbol.
300

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

6.3 x 10^6

300

What early model of the atom did Thomson develop that involved a lump of positive charge with electrons stuck to it?

Plum-Pudding Model

300
What is the distance between two crests called?
Wavelength
400

What is the meniscus?

The curved surface of a liquid in a graduated cylinder.

400
What is the difference between elements and compounds?
2 or more elements make up a compound.
400

How many significant figures does the following measurement have:0.00450010

400

How many protons does Neon have?

10

400

What are valence electrons?

the electrons that exist farthest from an atom's nucleus.

500

What are the basic metric units for length, mass, time and volume?

meters, grams, seconds, and liters.

500
All matter can be divided into what 2 broad categories?
Mixtures and pure substances.
500
What is the formula for density?
Density = Mass/Volume (Mass over volume)
500

Subatomic particles can be broken down into what smaller particles that we don't know much about yet?

Quarks

500

What is the formula for frequency?

f = c/llamda