4.1 Instructional Video Part 1

​Don't forget to grab a notesheet off the back counter. Make sure you get the page from the drawer marked (4.2 Notes- Part 1)

Multiple Choice

Which scientist first proposed that matter is made up of tiny, indivisible particles called 'atomos'?

• John Dalton

• JJ Thomson

• Democritus

• Ernest Rutherford

Multiple Choice

Which scientist is most closely associated with the development of atomic theory?

• John Dalton

• Marie Curie

• Isaac Newton

• Albert Einstein

Multiple Select

According to Dalton's atomic theory, which of the following statements are correct?

• All atoms of a given element are identical.

• Atoms can be created and destroyed.

• Atoms combine in simple, whole-number ratios to form compounds.

• Atoms are composed of protons, neutrons, and electrons.

Multiple Choice

What was the major discovery from Ernest Rutherford's gold foil experiment?

• Atoms are indivisible.

• Electrons orbit the nucleus.

• The nucleus of the atom is positively charged.

• Atoms are made of chocolate chips.

Multiple Choice

Atomic theory is fundamental to understanding which of the following topics?

• The structure of atoms and the periodic table

• Photosynthesis in plants

• The process of mitosis

• Plate tectonics

Multiple Choice

What is the main reason the model of the atom continues to change over time?

• New discoveries about atomic structure are made

• Atoms are getting smaller

• Electrons are becoming more visible

• The nucleus is disappearing