This type of matter has particles closely packed together that can only vibrate in place
What is a solid?
This is the general term for what protons, electrons, and neutrons are.
What are subatomic particles?
This substance has a mass of 60g and volume of 10mL. Calculate the density
6g/mL
Matter is considered to be this when there is more than one type of molecule/compound found in it.
What is a mixture?
This type of change is indicated by bubbles, a change in colour, or a change in odour.
What is a chemical change?
Moving farther apart is what happens to particles when this is added.
What is heat/energy?
This subatomic particle has a positive charge and exists in the nucleus
What is the density of a block of gold that has a mass of 430.39g, and a volume of 22.3cm^3
19.3g/cm^3
This type of pure substance is what is found on the periodic table.
Cutting out a pattern when you're sewing a shirt is an example of this kind of change.
What is a physical change?
Dry ice at room temperature is an example of this type of change of state
What is sublimation?
Which greek philosopher was the father of atomic theory?
Democritus
Calculate the mass of a substance that has a volume of 32.4cm^3 and a density of 16.23g/cm^3
525.85g
Copper chloride (which we used in a lab) is an example of this kind of pure substance.
What is a compound?
Thermal expansion occurs when something is heated and expands. This is an example of this kind of change.
Physical change
In this change of state particles go from very far apart to very close together very fast
What is Deposition?
This scientist was credited with the "Plum Pudding" Model of the atom where electrons and protons were scattered throughout the atom.
Who is JJ Thomson?
What is the volume of helium in a balloon that has a mass of 1.02g and a density of 0.0002g/mL
5100 mL
This term is used generally for any two atoms combined.
What is a molecule?
We crushed a can using KMT during this unit. This is an example of this kind of change.
What is a physical change?
Kinetic molecular theory states that the particles of matter have these two things.
What is space between them and energy?
This region of the atom is where most of the atomic mass is contained.
What is the nucleus?
A wooden block has the dimensions 4cm x 6cm x 4cm. Calculate the mass of the block given the density of wood is 0.3g/cm^3.
28.8g
The air we breath is an example of...
What is a mixture?
Leaving a candy in your mouth to dissolve is an example of this kind of change.
What is a chemical change?