History of Atomic Chemistry - Crash Course Chemistry

Select the two ancient philosophers who proposed that all matter was made of tiny particles called atoms:

• Democritus

• Lucretius

• Plato

• Galen

The word "atom" comes from "a tomos" which roughly translates as:

• "Uncuttable"

• "The Smallest"

• "The Most Basic"

• "Life"

• "Everything"

The discharge tubes being used to study atomic structure were most similar to which "modern" structure?

• An LCD Screen

• A Neon Light

• A Particle Accelerator

• A Rocket

J. J. Thompson the very tiny particles in the rays "Corpuscles", but today we call them ____.

• Still Corpuscles

• Protons

• Neutrons

• Electrons

• Photons

Which model of the atom did Thomson develop?

• The Quantum Model

• The Billiard ball Model

• The Plum Pudding Model

• The Cloud Model

• The Planetary Model

Bohr's model of the atom is sometimes called what?

• The Planetary Model

• The Plum Pudding Model

• The Sun Model

• The Ballard Ball Model

• The Quantum Model

Which of the following would be the best description of what an orbital is?

• A probability description of where an electron is likely to be found

• A dance line that electrons make around the nucleus

• A thin membrane-like thing that holds the atom together

• A road map to exactly where each electron is at all times

What is the other name for the quantum model of the atom?

• The Ballard Ball Model

• The Plum Pudding Model

• The Cloud Model

• The Planetary Model