Atom Anatomy Worksheet
Li
ATOM ANATOMY LAB
Part 1: Subatomic Architecture & Bohr Model
VERSION A • LITHIUM
Name:
Date:
Period:
Atomic # 3 Li Lithium Mass: 6.94 amu
Subatomic Inventory
Protons (p⁺)
Neutrons (n⁰)
Electrons (e⁻)
Net Charge
Color Code Key
Protons (+) color
Neutrons (0) color
Electrons (-) color
1
Color & Label the Lithium Bohr Model
Use the Word Bank below to label items 1 through 6
-
-
- 0 0 0 0 − − − 1 2 3 4 5 6
Word Bank
Proton Neutron Electron Nucleus 1st Energy Level 2nd Energy Level
1
2
3
4
5
6
2
Atomic Analysis Questions
1. Why does a neutral Lithium atom have an electric charge of 0?
2. Where is nearly all of the mass of this atom located? Explain why.
3. How many valence electrons does Lithium have? Which shell holds them?
C
ATOM ANATOMY LAB
Part 1: Subatomic Architecture & Bohr Model
VERSION B • CARBON
Name:
Date:
Period:
Atomic # 6 C Carbon Mass: 12.01 amu
Subatomic Inventory
Protons (p⁺)
Neutrons (n⁰)
Electrons (e⁻)
Net Charge
Color Code Key
Protons (+) color
Neutrons (0) color
Electrons (-) color
1
Color & Label the Carbon Bohr Model
Use the Word Bank below to label items 1 through 6
-
-
-
-
-
- 0 0 0 0 0 0 − − − − − − 1 2 3 4 5 6
Word Bank
Proton Neutron Electron Nucleus 1st Energy Level 2nd Energy Level
1
2
3
4
5
6
2
Atomic Analysis Questions
1. Carbon-12 has 6 protons and 6 neutrons. What is its atomic mass number?
2. How many valence electrons does Carbon have? Why is this important in chemistry?
3. What keeps the negative electrons orbiting around the positive nucleus?
O
ATOM ANATOMY LAB
Part 1: Subatomic Architecture & Bohr Model
VERSION C • OXYGEN
Name:
Date:
Period:
Atomic # 8 O Oxygen Mass: 16.00 amu
Subatomic Inventory
Protons (p⁺)
Neutrons (n⁰)
Electrons (e⁻)
Net Charge
Color Code Key
Protons (+) color
Neutrons (0) color
Electrons (-) color
1
Color & Label the Oxygen Bohr Model
Use the Word Bank below to label items 1 through 6
-
-
-
-
-
-
-
- 0 0 0 0 0 0 0 0 − − − − − − − − 1 2 3 4 5 6
Word Bank
Proton Neutron Electron Nucleus 1st Energy Level 2nd Energy Level
1
2
3
4
5
6
2
Atomic Analysis Questions
1. An Oxygen-16 atom has 8 protons. How do you find its number of neutrons?
2. How many valence electrons does Oxygen have? How many more does it need to fill its outer shell?
3. If an atom gains 2 extra electrons, what happens to its overall electric charge?
