The Atom (2) Flashcards
1
Q
Atom
A
Atomos (greek) meaning “that which cannot be divided.
- 99.9% empty space
- core Nucleus
- Electrons surround the Nucleus
2
Q
The Nucleus
A
- Determines the weight of the Atom
- Contains Protons and Neutrons
3
Q
Protons
A
- Atomic #
- Positive electrical charge
4
Q
Neutrons
A
- No charge
- Basically and Electron and Proton stuck together
- Has the ability to exist on its own outside the Atom
- Maintain the stability of the Atom
5
Q
Electrons
A
- Revolve around Nucleus in an orbit
- Smaller than Protons and Neutrons
- Atomic mass is about 1/1840
- Negative charge
6
Q
“Neutral Atom”
A
# of Protons and # Electrons in equal. Opposite charges cancel out one another.
7
Q
Electrostatic force of attraction
A
Between the positively charged nucleus and the negatively charged electrons