Changes
Protons
States of matter
Subatomic composition
Random
100
Rusting is an example of a physical or chemical change?
What is a Chemical change
100
Copper (Cu) has an atomic number of 29 and an atomic mass of 63.5 amu. How many protons does copper have?
What is 29.
100
What are the three states of matter?
What are: solid, liquid and gas.
100
What is the weight of a single electron?
What is 0 amu?
100
Hydrogen has an atomic number of 1 and an atomic mass of 2 amu. How many neutrons does one atom of hydrogen have?
What is 1 neutron.
200
Ice melting is an example of what kind of change?
What is, a physical change?
200
Where can you find protons in an atom?
What is The Nucleus?
200
If you have a liquid substance, and you increase the temperature, but decrease the pressure, what state will your substance turn into?
What is gas?
200
Where are neutrons found in an atom and what is their weight?
What is in the nucleus and 1 amu?
200
List protons, neutrons, and electrons for: 
What is :
5 Electrons
5 Protons
6 Neutrons
300
Provide the definition for physical changes.
What is:
A change in which the physical properties of a substance are altered. Usually reversible.
300
What is the weight of a single proton?
What is 1 amu?
300
At what point can all three states exist at one time?
What is the triple point?
300
The atomic number tells you what about an atom's composition?
The number of protons and/or the number of electrons?
300
List 4 Physical properties.
What are: Shape, Form,Taste,Hardness,Texture, Color,State(solid, liquid or gas)?
400
Provide the definition of a chemical change.
What is:
A change of materials into another, new materials with different properties and one or more than one new substances are formed. Usually irreversible.
400
If an atom has 6 electrons and 7 neutrons, how many protons does it have?
What is 6 electrons?
400
What state is this a picture of?
What is liquid?
400
Why does the number of protons and electrons within an atom need to be the same?
What is, because an atom needs to have an equal charge in order to be stable?
400
List protons, neutrons and electrons for:
What is:
109 electrons
109 protons
167 neutrons
500
Mixing salt and water until the salt dissolves. What kind of change is this an example of? For actually points, explain why.
What is:
A chemical change. There are bonds broken and reformed on an atomic level forming a new product or substance when salt is dissolved in the water.
500
If an atom has an atomic mass of 16 amu and 9 neutrons, how many protons does this atom have?
What is 7 atoms?
500
What is the critical point?
What is, where a new phase called supercritical fluid forms. A state that is both liquid and gas.
500
Beryllium (Be) has an atomic number of 4 and atomic mass of 9.012 amu. How many protons, neutrons, and electrons does one atom of carbon have?
What is:
4 electrons
5 neutrons
4 protons
500
List at least 4 chemical properties.
What are: Burning or flammability, Rusting, Tarnishing, odor?