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Key Terms
Matter
Atom Structure
Periodic Table
Atoms/Ions
100
Neutral charged subatomic particle located in the Nucleus.
What is a Neutron
100
H2O is also called
What is Water
100
Protons and Neutrons are located in this
What is the Nucleus
100
This is the lightest element?
What is Hydrogen
100
The ionic charge of Oxygen is?
-2
200
A state change from liquid to solid
What is Freezing
200
Texture, Density, and Color are all what kind of properties
What is Physical
200
The first energy level can hold this many electrons
What is 2
200
Group 2, Period 2
What is Magnesium
200
What is the charge of an atom? why?
0
300
The ratio of the mass of an object to its volume.
What is Density
300
An example of an Endothermic process.
What is Melting, Evaporation, Sublimation
300
This model is drawn to show the nucleus and the orbiting electrons.
What is the Bohr model
300
The number in the upper left hand corner _______ The number in the bottom left hand corner _______
What is Atomic number - Atomic mass
300
When atoms hold an electrical charge they are called _____ If that charge is negative, they are called ______
ions - anions
400
An atom that has the same amount of protons, but different amount of Neutrons.
What is an Isotope
400
As the pressure of a gas is increased, its temperature does this.
What is Increases.
400
This creates the identity of each element
What is the amount of protons
400
Atoms in the same Group have these in common (Two Things)
What is same Valence electrons, same ionic charge
400
Metals tend to do what with their electrons?
What is Give them up
500
The upward force exerted on an object floating in liquid
What is the Buoyant Force
500
A cube has sides of 5cm. It weighs 100 grams. It's density is this. Will it float in water?
What is .8 g/cm^3 - yes
500
The Atomic Mass is the sum of these two particles. Why isn't the third particle used?
What is Protons and Neutrons. Electrons are too light to make a difference.
500
This atom has an average of 22 Neutrons
What is Argon.
500
This ion has a charge of -3, and an average of 16 neutrons.
What is Phosphorous