Shared Flashcard Set

Details

Matter
Types of Matter vocabulary
14
Science
7th Grade
04/14/2014

Additional Science Flashcards

 


 

Cards

Term
Molecules
Definition
Two or more atoms are joined together chemically.  Elements can be different or the same.
Term
Nucleus
Definition
The center of an atom containing protons and neutrons.
Term
Proton
Definition
Particles that have a positive (+) charge.
Term
Neutron
Definition
Particles that do not have a charge and are neutral.
Term
Electron
Definition
Particles that have a negative charge (-)
Term
Strong Force
Definition
This holds the nucleus togehter, keeping the protons and neutrons together.
Term
Atomic number
Definition
The number of protons found in an element.
Term
Atomic Mass
Definition
The mass of an atom
Term
Shells
Definition
Energy levels where the electrons are found.
Term
valence Electrons
Definition
The electrons in the outer most shell, determining bonding.
Term
Physical change
Definition
Does not form a new substance
Term
chemical change
Definition
forms a new substance
Term
Water changes to steam
Definition
An example of a physical change
Term
A marshmallow burns
Definition
An example of a chemical change
Supporting users have an ad free experience!