Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
What are the 3 states of matter?
|
Solid, Liquid, Gas.
|
|
Atom
|
Basic Unit of Matter
|
|
Element
|
Substance consisting entirely of one type of atom
|
|
Compound
|
Substance formed by the chemical combination of two or more elements in definate proportions.
|
|
Molecule
|
The smallest unit of most compounds
|
|
Mixture
|
Material composed of two or more elements/compounds that are physically mixed together but not chemically combined.
|
|
What is the central part of an atom?
|
Neucleus
|
|
How many particles does a neucleus contain?
|
2
|
|
What has positive charge?
|
Protons
|
|
What do protons have in common in all elements?
|
They all are the same.
|
|
What has no charge?
|
Neutrons
|