Matter
When a subtance only has one type of atom.
What is an element?
This is needed to change from a solid state to a liquid state.
What is energy?
Two or more subtances that physically combined but not chemically.
What is a mixture?
A substance goes from being a solid to a liquid.
What is a physical change?
The parts of an atom
What is electrons, protons, and nuetrons?
What are compunds?
What term is used to describe the phase change as a liquid becomes a solid?
What is freezing?
Mixed ompounds are distinct and can be seen. Not uniform in size.
What is a heterogenous mixture?
In a firwork show, the firworks explode giving off heat and light.
What is a chemical change?
The atomic number of an element tells you the number of ___________ in a neutral atom.
What are Protons?
The least energetic molecules.
What is solids?
The term used to describe the phase change of a solid to a liquid.
What is Melting?
Mxed on a molecular level with no observable boundaries.
What is a homogenous mixture?
Mixing salt and pepper.
What is a physical change?
The vertical column on the periodic table.
What is groups?
If you leave water in a glass and some molecules turn into a gas, it is called...
Evaporation
The densest state of matter?
What are solids?
Mixtures with very small particles suspended in a liquid.
What are colliods?
Baking soda reactig to vinegar.
What is a chemical change?
A positively charged ion
Cation
Solid compounds that are hard and brittle.
What are ionic compounds?
Glucose, Galatose, and Frutose are structures that have the same atoms but different shapes.
What are isomers?
Oil and water is an example of this type of mixture.
What is an emulsion?
A piece of ice melts on a piece of metal and reacts causing rust.
What is physical and chemcial change?
An isotope is a form of an atom with a different number of...
What is neutrons?