Science Standard III, Chemistry
Lesson 320, Elements
Describing the fundamentals of the charge-cloud atomic model
Determining the number of electrons in each energy level of an atom given the number of electrons the atom has
Defining element
Defining valence
Understanding that the electron arrangement determines an element’s chemical properties
Describing how an atom becomes an ion
Knowing how to calculate the number of neutrons an atom has
Knowing an unbalanced charge causes electricity
Understanding how electrons & protons determine chemical properties and potential energy
Stating the octet rule and naming the exceptions to the rule