Unit Overview
LEARNING OBJECTIVES
Students will…
- Compare the sizes, charges, and relative positions of the subatomic particles: protons, neutrons, and electrons.
- Relate an atom’s number of protons to its charge, name, and atomic number.
- Calculate the mass number of an atom by summing the protons and neutrons.
- Understand the definition of isotope.
- Observe how electrons fill the first three energy levels.
VOCABULARY
atom, atomic number, electron, electron dot diagram, element, energy level, ion, isotope, mass number, neutron, nucleus, periodic table, proton,
ASSIGNMENT
Part 1 : Find and write in your notebook the definition of atom, atomic number, electron, mass number, neutron, nucleus, periodic table, proton.
Part 2 : Complete the gizmo warm-up below.
Part 3 : Join a group a 4 at maximum. Read the activity below and start working on it. Write your answers in your notebook. Prepare a presentation with key elements.
ScienceAtJulian 