What is matter?
Name 3 physical properties
mass, volume, color, density, melting point, boiling point.
What is added to or removed from particles to cause them to change state.
What is thermal energy?
Pure substances that cannot be separated into smaller components either by physical or chemical means.
What are elements?
These are elements with similar properties.
What are groups?
The measure of matter in an object.
What is mass?
Name 2 chemical properties
chemical reactivity, flammability, oxidation
What are solids?
The building blocks of all other substances.
What are elements?
The amount of known elements today.
What is 118?
A unit for measuring mass.
What is a gram? or kilogram? or milligram? 100 bonus points for each extra one named
Describes how particles in a solid are arranged and how they move.
What is in a fixed arrangement and vibrate in place?
The kind of change that changing states of matter is.
What is a physical change?
These can be separated into parts only by chemical processes.
What are some pure substances that are not elements?
The unique number each element has and how the periodic table is organized
What is the atomic number?
The measure of the amount of space an object takes up.
What is volume?
Describes how particles in a liquid are arranged and move.
What is close together, but free to move around one another?
The graph stays horizontal until all of the solid is melted.
Each element has a unique set of these.
What are properties?
These are where the properties of elements change in a pattern.
What are periods?
The ratio of a substance's mass to its volume.
What is density?
Describes the arrangement and movement of particles in a gas.
What is moving freely all over as far apart as they can be?
High altitude does this to the boiling point of water.
What is it lowers it?
The cities you could touch if your atoms were visible.
What are Miami, FL and Philadelphia, PA?
This is the reason some of the symbols are not the same letters as the element name.