Download REVIEW and REINFORCEMENT Structure of the Atom

Name
Class
Date
REVIEW and REINFORCEMENT
Structure of the Atom
Section
5-2
~ KEY CONCEPTS ~The three main subatomic particles are the proton, the neutron,
and the electron.
~ Vocabulary Skills: Understanding Relationships
Explain how the following terms are related.
1. isotope: neutron
2. quark: subatomic particle
3. atomic number: proton
4. subatomic Particles: atomic mass unit
5. electron: energy level
6. mass number: atomic mass
7, electron: electron cloud
8, isotope: mass number
© Prentice-Hall,
19
I Subatomic Particles: Reviewing the Main Ideas
Complete the following chart:
Particle
Location
Mass (amu)
Charge
Proton
Electron
Neutron
~1 Find the Missing Numbers
Use your knowledge of atomic number and mass number to fill in the missing
numbers:
HOW MANY?
Element
Atomic #
Mass #
Iron
26
56
Sulfur
16
32
Carbon
6
Fluorine
~Calcium
Nitrogen
Copper
Electrons
9
4O
14
7
29
35
Sodium
23
Mercury
201
Silver
Neutrons
6
19
2O
Protons
11
8O
61
47