Unit 3 - Particle Composition

Basic Skill - Reading the Periodic Table

Periodic Table Song

How the Elements Got their Names

You should be able to:

  • Give the name of an element based on the element symbol on the periodic table
  • Give the elemental symbol for an element, when given the name of the element

3a - Refining the Particle

Mixtures, Pure Substances, Compounds, and Elements

Mixtures vs. Compounds

Pure Substances vs. Mixtures

3a WS1 Compounds and Mixtures.pdf
3a WS1 Key.pdf

Components of the Atom

3a WS2.pdf
3a WS2 Key.pdf

Rutherford's Gold Foil Experiment

How Was Gold Foil Made?

3a Review.pdf
3a Review Key.pdf

You should be able to:

  • Distinguish between compounds and mixtures
  • Distinguish between mixtures and pure substances
  • Distinguish between compounds and atoms
  • Represent mixtures and pure substances of atoms and compounds at the particle level
  • Identify the major constituent particles of the atom
  • Describe the location and charge of protons, electrons, and neutrons
  • Describe the atom as mostly empty space
  • Sketch a visual representation of an atom that includes protons and neutrons within a nucleus and electrons in a cloud outside of the nucleus

3b - Periodic Properties

3b WS 1.pdf
3b WS 1 Key.pdf

You should be able to:

  • Relate a given element with its corresponding number of protons
  • Identify the elements that are naturally diatomic
  • Identify elements as metals and non-metals