The Atom (2)

Question 1

Atom

Answer 1

Atomos (greek) meaning “that which cannot be divided.

• 99.9% empty space
• core Nucleus
• Electrons surround the Nucleus

Question 2

The Nucleus

Answer 2

• Determines the weight of the Atom

- Contains Protons and Neutrons

Question 3

Protons

Answer 3

• Atomic #

- Positive electrical charge

Question 4

Neutrons

Answer 4

• 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

Question 5

Electrons

Answer 5

• Revolve around Nucleus in an orbit
• Smaller than Protons and Neutrons
• Atomic mass is about 1/1840
• Negative charge

Question 6

“Neutral Atom”

Answer 6

# of Protons and # Electrons in equal.
Opposite charges cancel out one another.

Question 7

Electrostatic force of attraction

Answer 7

Between the positively charged nucleus and the negatively charged electrons