Show:
States
Changes
Vocabulary.
Vocabulary
Element/Atom Review
100
Matter that has a definite shape and volume
What is a Solid?
100
Solid to a Liquid
What is Melting?
100
We use this do describe how much stuff is in a substance or how thick it is.
Density.
100
What is needed to change matter from one state to another
What is Heat?
100
Element with atomic number 1
What is Hydrogen?
200
Matter that takes that flows to the bottom of its container
What is a Liquid?
200
Gas to a Liquid
What is Condensation?
200
When 2 or more elements are CHEMICALLY bonded together we call it a ___________.
Compound.
200
Element with chemical symbol N
What is Nitrogen?
300

Liquid to a Gas

What is evaporation?

300
The Pure substances on the periodic table are called __________.
Elements
300
These fly around the outside of an atom and have a negative charge.
Electrons.
400
Type of matter that have no definite shape or volume
What is Gas.
400

Liquid to solid

What is freezing?

400
Who organised the Periodic Table?
Mendeleev!
400
The center of an atom is called the_____________.
Nucleus.
500
Matter that can flow (name all of them)
What are Liquids, Gases
500
Gas to Solid
Deposition.
500
Particles are held together with ______.
Bonds.
500
The Smallest building block of matter which also means "unable to cut.
Atom.
500
The atomic number tells you the number of __________ that are in an atom.
Protons.