Atoms and Elements Flashcards
(10 cards)
1
Q
Element
A
Matter that is composed of one type of atom
2
Q
Atom
A
Smallest piece of matter that still has the properties of the element
3
Q
Protons
A
Positive charge
4
Q
Neutrons
A
Neutral or no charge
5
Q
Electrons
A
Negative charge
6
Q
Nucleus
A
Located in the center of an atom; consisting of protons and neutrons, electrons surround the nucleus.
7
Q
Electron Cloud
A
Model which shows electrons traveling in specific energy levels around a nucleus
8
Q
Energy in Atoms 1,2,3,4
A
Max number of electrons: 1=2, 2=8, 3=18, 4=32
9
Q
Quark
A
Smaller particles that make up protons and neutrons
10
Q
Atomic Mass
A
Composed mostly of protons and neutrons int he nucleus - also called mass number.
