Define Model
A representation of a process or an object in nature that allows us to more easily understand it.
Are weight and mass the same?
Nope
True or False:
All atoms of the same element are identical.
False
True or False:
Atoms are the smallest thing in existence and cannot be broken into smaller pieces. In other words, atoms are indivisible.
False
What do you call it when you get 3 strikes in a row when bowling?
A Turkey
Define Ratio
The relationship determined by dividing the first quantity by the second quantity.
OR
A fraction
What is the formula for density?
What was the first model of the atom AND what was the last model of the atom?
The plum pudding model
The quantum mechanical model
Who was the first person to assume that electrons moved in very specific orbits according to the amount of energy they had?
Bohr
How many pins do you need to knock down in a perfect game (300 pts)?
120
Define Centripetal Force
A force that acts on an object moving in a circle, directed towards the center of the circe.
Which has more mass, an elephant or a kitten?
An Elephant
If an electron were to lose energy, how would it move?
Closer to the nucleus
An object has a positive charge. How could you give it a negative charge?
Take away protons or give it electrons.
How many lanes are in the world's largest bowling alley?
116
Inazawa Grand Bowl in Japan boasts an incredible 116 lanes
The center of the atom, where there is a concentrated, positive charge.
Suppose I were to pour honey, oil, and water into a container. Also suppose that the honey sunk to the bottom, the water floated to the top, and the oil was in the middle. Which of the three liquids has the lowest density?
The Water
What type of radioactive particles are negatively charged?
Beta
What type of radioactive particles have no charge?
Gamma
How heavy is the heaviest bowling ball players are allowed to use in professional bowling?
16 lbs
Define Mass Spectrograph
An instrument that measures the mass of individual atoms or molecules.
Object A has twice the mass of Object B, and Object B has twice the mass of Object C. Which object is the heaviest?
A
Suppose an atom has 7 electrons, 7 protons, and 7 neutrons. How many of electrons, protons, and neutrons could an isotope of that atom have?
7 electrons
7 protons
Any number other than 7 neutrons.
What did Schrodinger decide to treat electrons like instead of particles?
Light/Waves
How heavy was the lightest bowling ball ever made?
4 lbs