Nuclear Chemistry
Electrons
Forces
Gases
Acids & Bases
100
These are the 2 particles found in the nucleus
Protons & neutrons
100
What kind of charge do electrons have?
Negative
100
This is the term for the phase change from a solid to a liquid
Melting
100
As altitude increases, atmospheric pressure _____
Decreases
100
On the pH scale, what number is neutral?
7
200
An atom has an atomic number 10 and a mass of 24. How many neutrons does its nucleus contain?
14 neutrons
200
The S orbital holds ____ (#) electrons.
2
200
This is the shape of a molecule with the formula AB4
Tetrahedral
200
This is the term for a gas that is able to be pressed into a smaller volume
Compressible
200
An acid is a substance that donates _____ ions
hydrogen
300
In which type of decay does the mass number go down by 4, and the atomic number down by 2?
Alpha decay
300
What type of wave has the lowest frequency?
Radio waves
300
This is the term for a bond in which electrons are shared unequally
Polar
300
This scientist's law states that P1V1=P2V2
Boyle
300
What is the term for a substance that can act as both an acid and a base?
Amphoteric
400
A substance has a half life of 10 minutes. If you begin with 40 g of the substance, how much will remain after half an hour?
5 g
400
Which part of the electromagnetic spectrum includes waves that can be used to detect patches of hot and cold?
Infrared
400
This is the term for the phase change that goes directly from a solid to a gas
Sublimation
400
If the volume of a container is doubled, what happens to the pressure within the container?
It is reduced by half.
400
What 2 things does a neutralization reaction produce?
Water and a salt
500
It beta decay, what happens to an atom's atomic mass?
It stays the same!
500
This is the term for the number of times a wave passes by in a given period of time.
Frequency
500
This is the ABE formula for this structure:
AB2E22
500
This is the conversion from Celsius to Kelvin
+273
500
What substance is the acid:
NH3 + H2O → NH4+ + OH-
H2O