Vocab
Phases of Matter
Physical and Chemical Changes
Atoms and Elements
Misc
100
anything that has mass and takes up space
What is matter?
100
This substance has a definite shape and define volume.
What is a soild?
100
This results in a new substance and is permanently changed
What is a Chemical change?
100
You can find the symbols and names of over 100 elements organized here.
What is the periodic table of elements?
100
A substance containing 2 or more atoms, bonded together is called this.
What is a molecule?
200
the amount of matter something has
What is mass?
200
This has no definite shape, but does have a definite mass and volume
What is a Liquid?
200
A change in matter that involves a change in a physical property but doesn't create a new substance
What is Physical change?
200
Made up of all the same atoms; H, Pb, Ti are examples of this.
What is an element?
200
H20 (water) and CO2 (carbon dioxide) are examples of this as they are made up of different elements bonded together.
What is a compound?
300
The amount of space an object takes up.
What is Volume?
300
Atoms packed closely together in this state and they vibrate in place
What is a solid?
300
Which change occurs when you bake cookies?
What is a chemical change?
300
The first element on the periodic table is hydrogen. Name its atomic symbol.
What is H?
300
Warmer temperatures make molecules move _______________
What is faster and causes them to spread a part?
400
this is the temperature at which a substance goes from a liquid to a gas
What is boiling point?
400
If enough heat is added to a liquid it become this state.
What is a gas?
400
Flammability and reactivity are examples of this
What is chemical properties?
400
The name of the element, Pb.
What is lead?
400
Colder temperatures make molecules move ____________.
What is slower?
500
How would I calculate Density?
What is Mass รท Volume
500
When heat is added to a solid, it becomes this state of matter
What is a liquid?
500
Melting wax, hammering a nail and bending a wire are all examples of this
What are Physical changes?
500
What is the Atomic Number of Potassium, What does this number mean?
What is 19, the Atomic Number is the number of protons in the atom of a specific element.
500
Na (Sodium) A highly reactive metal, combines and reacts with Cl (Chlorine) An immensely poisonous gas to create what compound?
What is a Salt?
600
All matter is made up of this.
What is atoms?
600
If heat is removed, a liquid will become this state
What is a solid?
600
Shape and density are examples of this
What are physical properties?
600
This is the center of an atom
What is the nucleus?
600
CO2 is the chemical formula for carbon dioxide. Name the amount of atoms that make up a molecule of CO2.
What is three? One Carbon Atom and Two Oxygen Atoms.
700
Living and nonliving things are made up of a combination of these (C, H, N...)
What are elements?
700
Solid, Liquid, gas
What are the 3 basic states of matter?
700
The 5 signs of a chemical change are:
What are
1. Color Change 2. Temperature Change
3. Light Emission 4. Precipitate Formed
5. Odor
700
The number of these will determine the type of atom
What are Protons
700
What is the Chemical Formula for Sodium Acetate; A product formed after Baking Soda and Vinegar mix?
What is NaC2H3O2