Vocab
anything that has mass and takes up space
Matter
This substance has a definite shape and definite volume.
What is a soild?
What element is H?
Hydrogen
A substance containing 2 or more atoms that are the same
Molecule
The number at the top of an element on the periodic table.
atomic number
the amount of matter something has
Mass
This has no definite shape, but does have a definite mass and volume
What is a Liquid?
This particle is positively charged.
What are protons?
Atoms of only one type is called ______________
an element
The periodic table organizes these.
Elements
The amount of space an object takes up.
What is Volume?
atom Packed close together in this state
what is solid?
The number of protons and the number of _______ in an atom are equal.
What are electrons?
Warmer temperatures make molecules move _______________
What is faster?
Atomic Number Increases When Starting from this direction and going to this direction
What is left to right
this is the temperature at which a substance goes from a liquid to a gas
what is boiling Point?
If enough heat is added to a liquid it become this state.
What is gas?
The has no charge
What are neutrons?
Substances will do this when cooled.
what is contract?
An electron in it's outermost shell
What is a valence electron
this is the relationship between mass and volume
What is density?
When heat is added to solids it becomes this state (melting)
what is liquid?
NaCL is an example of this
what is compound?
Colder temperatures make molecules move ____________.
what is slower?
This person created the original periodic table
who is Mendeleev?
All matter is made up of this.
What is atoms?
If heat is removed a liquid will become this state (freezing)
what is a Solid?
This is the center of an atom
What is the nucleus?
When heated substances will
What is expand?
Example of metal characteristics
shiny, conductive
The 4 signs that a chemical change has occurred.
change in color, energy is absorbed or released, change in odor, gas or solid is produced.
The 6 Properties of Matter are...
mass, solubility, relative density, state or phase, magnetism & conductivity
These are both found in the nucleus
what are Protons and neutrons?
Hotter temperatures will make atoms move
Faster
What are alkalai metals?