Introduction to the Period Table

September 30, 2021

Draw the electronic configuration of each of the following elements.  List the # of Protons and neutrons in the nucleus Also, draw the electron in the electron orbit.

Each of the elements listed should be placed in the correct group with the group number listed above the elements.

Lithium,  Beryllium,    Boron,       Carbon,   Nitrogen, Oxygen, Fluorine, Neon

Sodium,    Magnesium, Aluminum, Sulfur,  Phosphorus, Sulfur, Chlorine, Argon.

September 29, 2021

Working with the first 20 elements; List the number of protons, the number of electrons and the atomic number.  

Find the atomic mass of each element and then the number of neutrons.

Notes on the electronic configuration of the electrons.  Reading page 143 of the text posted in Google Classroom will give the basis of what was covered in class.

September 28, 2021

Copy chart of the nutrients needed for life from page 142 of text available  in Google Classroom.

We will discuss the nutrients needed and the reason.  The trace elements and the deficiency symptoms of a few will be discussed.

Introduction to the Periodic table: notes.  List the first 20 elements in order.