Atoms Flashcards
1
Q
Element
A
Made up of one atom
2
Q
Atom
A
Smallest part of an element that can exist by itself
3
Q
Proton mass and charge
A
Mass = 1 Charge = +1
4
Q
Neuton mass and charge
A
Mass = 1 Charge = 0
5
Q
Electron mass and charge
A
Mass = almost 0 Charge = -1
6
Q
Atomic number
A
Bottom
7
Q
Mass number
A
Top
8
Q
Number of protons
A
Bottom
9
Q
Number of neutrons
A
Top - bottom
10
Q
Number of electrons
A
Bottom
11
Q
Atoms consist of central _________ containing protons and ________. The nucleus is _________ compared to the size of the whole atom. The nucleus is surrounded by the ________ in energy levels ( also called ________).
A
Nucleus Neutrons Small Shells Orbital
12
Q
Describe the parts of an atom
A
- (Negative) electrons
- (Positive) protons
- (Negative) neutrons
- Nucleus
