Atomic Theory

Intro to Atomic Theory

Poll

Which of these topics did we learn about last week?

• All matter (living & non-living, visible & invisible) is made of atoms.

• Atoms are the smallest unit of an element.

• Atoms are composed (made) of even smaller pieces called sub-atomic particles.

• Electrons surround the nucleus of an atom and have a negative charge.

• The nucleus of an atom is made of protons and neutrons.

Poll

Which of these topics do you think we will learn about today?

• All matter (living & non-living, visible & invisible) is made of atoms.

• Atoms are the smallest unit of an element.

• Atoms are composed (made) of even smaller pieces called sub-atomic particles.

• Electrons surround the nucleus of an atom and have a negative charge.

• The nucleus of an atom is made of protons and neutrons.

In OneNote Class Notebook, go to: 1.2 Build an Atom. Follow the directions and fill out the charts.

Multiple Choice

Which of the following are made of atoms?

• All matter

• All energy

• All matter and energy

• Only living things

Multiple Select

Which of these are sub-atomic particles? (Choose more than one.)

• protons

• peptides

• electrons

• neutrals

• neutrons

Multiple Select

Which of these are located in the nucleus of an atom? (Choose more than one.)

• protons

• peptides

• electrons

• neutrals

• neutrons

Multiple Choice

The number of _______ in an atom determine the identity of the atom, (which type of element it is).

• electrons

• protons

• neutrons

• orbits

Multiple Choice

What type of charge do electrons have?

• positive

• negative

• neutral

• no charge

Open Ended

What is the most important take away from today's lesson?