Reading the Periodic TableReading the Periodic Table

The Periodic Table LayoutThe Periodic Table Layout

The Periodic Table is organized into rows The Periodic Table is organized into rows and columnsand columns

Each vertical column is called a Group or Each vertical column is called a Group or FamilyFamily

Each horizontal row is called a PeriodEach horizontal row is called a Period

Groups/FamiliesGroups/Families

There are 18 groups/familiesThere are 18 groups/families

Elements in the same group or family have Elements in the same group or family have similar, but not identical characteristics similar, but not identical characteristics (one of Mendeleevs trends)(one of Mendeleevs trends)

You can know properties of an element, You can know properties of an element, just by knowing what group it belongs tojust by knowing what group it belongs to

PeriodsPeriods

Elements in a period are not alike in Elements in a period are not alike in propertiesproperties

                                                                                                                                                      

Inside the Box!Inside the Box!

Each box in the periodic table shows vital Each box in the periodic table shows vital information about that elementinformation about that element

The top number is the atomic number (the The top number is the atomic number (the number of protons in that element)number of protons in that element)

Remember, no 2 elements have the same Remember, no 2 elements have the same number of protonsnumber of protons

 6

CCarbon

12.011

Inside the box continued….Inside the box continued….

The large letter is the elements symbolThe large letter is the elements symbol

Each element has its own unique symbolEach element has its own unique symbol

How many do you know already?How many do you know already?

Below the name or symbol is the atomic Below the name or symbol is the atomic mass of that element. Essentially, atomic mass of that element. Essentially, atomic mass is how massive the element is mass is how massive the element is compared to all the other elementscompared to all the other elements

Review!Review!

So what can we find out about an element So what can we find out about an element simply by glancing at the periodic table?simply by glancing at the periodic table?AnswersAnswersHow many protons it hasHow many protons it hasA prediction of it’s chemical and physical A prediction of it’s chemical and physical properties based on which group it properties based on which group it belongs tobelongs toHow massive an element is compared to How massive an element is compared to other elementsother elements

How important is this for scientistsHow important is this for scientists

What do you think?What do you think?