Lessons
Introduction to Atoms
Organizing Atoms
Metals
Nonmetals and Metalloids
Terms and Concepts
atoms
electrons, protons, and neutrons
valence electrons, energy level
atomic number & atomic mass
Periodic Table
periods and groups
chemical symbols
properties of metals, nonmetals, and metalloids
NC Standards
8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.2 Explain how the physical properties of elements and their reactivity have been used to produce the current model of the Periodic Table of elements.
Lesson 1, Introduction to Atoms
What are atoms?
What are electrons?
What is the nucleus?
What are protons?
On what does the energy level of an atom depend?
What is a neutron?
What is the atomic number?
What is the mass number?
Where are protons and neutrons located in an atom?
Where are electrons located in an atom?
Lesson 2, Organizing the Elements
How was the Periodic Table initially arranged?
How did Mendeleev arrange the Periodic Table?
About how many elements are there in the Periodic Table? (write on the line)
What are periods?
What are groups?
Where do lanthanides and actinides fit in the Periodic Table?
Which group is the most reactive?
Why is hydrogen unique?
What purpose does the zigzag line serve?
What type of substance are most elements?
Why is the atomic mass of an element an average?
Why is the atomic mass of an element an average?
Dmitri Mendeleev
Lesson 3, Metals
What is malleability?
What is ductility?
What is conductivity?
What is reactivity?
How do most metals react?
Which metals lack reactivity?
What is corrosion?
How does reactivity change on the Periodic Table?
Which are Alkali Metals?
Which are Alkali Earth Metals?
Pure Metals
Au - Gold - in Natural State
Pure Potassium
Pure Uranium
Pure Sodium
Pure Calcium
Lesson 4, Nonmetals and Metalloids
What are some properties of nonmetals?
How do nonmetals react with other elements?
Which elements are in the carbon family?
Which elements are in the nitrogen family?
Which elements are in the oxygen family?
Which elements are in the halogen family?
Which elements are noble gases?
Which elements have characteristics of metals and nonmetals?
Which is the most useful property of metalloids?
What are examples of metalloids?
Liquid Nitrogen
Noble Gases
Halogen Gases
Pure Oxygen
Phosphorous
Metalloids
Helium
Pure Carbon
