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
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2
Q

The Nucleus

A
  • Determines the weight of the Atom

- Contains Protons and Neutrons

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3
Q

Protons

A
  • Atomic #

- Positive electrical charge

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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
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5
Q

Electrons

A
  • Revolve around Nucleus in an orbit
  • Smaller than Protons and Neutrons
  • Atomic mass is about 1/1840
  • Negative charge
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6
Q

“Neutral Atom”

A
# of Protons and # Electrons in equal.
Opposite charges cancel out one another.
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7
Q

Electrostatic force of attraction

A

Between the positively charged nucleus and the negatively charged electrons

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