The Periodic Table

Mendeleev’s Periodic Mendeleev’s Periodic TableTable

In the 1860’s Mendeleev was working on a textbook to In the 1860’s Mendeleev was working on a textbook to use with his chemistry students.use with his chemistry students.

He needed to organize 63 elements and their He needed to organize 63 elements and their information.information.

Idea for organization came from the card game – Idea for organization came from the card game – solitaire.solitaire.

He created a deck of cards for the elements with:He created a deck of cards for the elements with: Element’s name, mass, and properties.Element’s name, mass, and properties. Behavior in reactions with hydrogen and oxygen.Behavior in reactions with hydrogen and oxygen.

Mendeleev arranged the elements into rows in order Mendeleev arranged the elements into rows in order of increasing mass so that elements with similar of increasing mass so that elements with similar properties were in the same column.properties were in the same column.

HistoryHistory

Dmitri Mendeleev Dmitri Mendeleev predicted 6 predicted 6 undiscovered undiscovered elements and their elements and their propertiesproperties

((properties video)) Periodic Table was Periodic Table was

rearranged by Henry rearranged by Henry Moseley by atomic Moseley by atomic numbers in 1913numbers in 1913

Modern Periodic Table Modern Periodic Table OrganizationOrganization

Groups or Families (columns) - 18Groups or Families (columns) - 18 Periods (rows) - 7Periods (rows) - 7

OrganizationOrganization

Metals (left side)Metals (left side)

Non-metals (right Non-metals (right side)side)

Metalloids Metalloids (stairstep)(stairstep) B, Si, Ge, As, Sb, B, Si, Ge, As, Sb,

Te, At, PoTe, At, Po

Group namesGroup names

Group 1 – Alkali Group 1 – Alkali Metals Metals

Group 2 – Alkaline Group 2 – Alkaline Earth MetalsEarth Metals

Group namesGroup names

Group 3 -12Group 3 -12 Transition metalsTransition metals

Group 13 - Boron familyGroup 13 - Boron family Group 14 – Carbon familyGroup 14 – Carbon family Group 15 – Nitrogen Group 15 – Nitrogen

familyfamily Group 16 – Oxygen Group 16 – Oxygen

familyfamily

Group namesGroup names

Group 17 – HalogensGroup 17 – Halogens

Group 18 – Noble Group 18 – Noble GasesGases

OtherOther

Lanthanide Series - Lanthanide Series - top row below top row below periodic tableperiodic table

Actinide Series - Actinide Series - bottom row below bottom row below periodic tableperiodic table

Group 1 - Alkali Metals

Group 2 - Alkaline Earth Metals

Group 13 - Boron familyGroup 13 - Boron family

Group 14 – Carbon familyGroup 14 – Carbon family

Group 15 – Nitrogen Group 15 – Nitrogen familyfamily

Group 16 – Oxygen Group 16 – Oxygen familyfamily

Group 17 – HalogensGroup 17 – Halogens

Group 18 – Noble (Inert) Group 18 – Noble (Inert) Gases Gases

Building your elementBuilding your element

Take atomic radius and divide by 23.Take atomic radius and divide by 23. Cut out 5 circles with this radius.Cut out 5 circles with this radius. Make _____ tick marks around the Make _____ tick marks around the

outside of each circle. Use your radius outside of each circle. Use your radius size to space them out evenly.size to space them out evenly.

Staple / hot glue your sides together.Staple / hot glue your sides together.