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100

The science concerned with the composition of matter and the changes that matter undergoes

Chemistry 

100

This subatomic particle plays the greatest role in determining the physical and chemical properties of an element

Proton

100
How many sig figs does the following measurement have: 4,007 ml
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100
What kind of microscope is able to use electrons to see atoms or subatomic particles?
Electron Microscope
100
S orbitals have what kind of shape?
Spherical (circular)
200
Which area of study in chemistry deals with no carbon and nonliving things such as rocks?
Inorganic chemistry
200
What are the 3 states of matter?
Solid, liquid, gas
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.
200

Name all 3 subatomic particles.

Protons Neutrons Electrons

200
What is the current model of the atom called?
Quantum Mechanical Model
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
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
~~~DOUBLE POINTS!!!~~~ Subatomic particles can be broken down into what smaller particles that we don't know much about yet?
Quarks
300

An atom or group of atoms that has a positive or negative charge

ion

400

Information obtained directly by using your senses.

observation

400
What is the difference between elements and compounds?
2 or more elements make up a compound.
400
How many sig figs does the following measurement have: 0.9800460
7 (the zero on the right counts because there's a decimal!)
400
What is the atomic number of neon (Ne)?
10
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

Variable that one changes during an experiment

independent/ manipulated variable

500

No matter which principal energy level, the maximum number of electrons in the "d" orbitals is:

10

500

What is the formula for density?

Density = Mass/Volume (Mass over volume)

500
What early model of the atom did Thomson develop that involved a lump of positive charge with electrons stuck to it?
Plum-Pudding Model
500
Write the full electron configuration of a carbon (C) atom using the aufbau principle and the periodic table.
1s^2 2s^2 2p^2 Carbon has 6 electrons!
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