The Periodic Table Periodic table

How is the periodic table organized? Mendeleev organized the periodic table by PROPERTIES! He put them in groups (called families) and rows (called periods) and finally, the elements were put in atomic number order

What kind of properties? Once, the elements are placed in groups by their properties… the periodic table can be broken into three large groups; metals, nonmetals, and metalloids So, what makes something a metal?

MetalsNonmetals ShinyDull Properties of metals and nonmetals

MetalsNonmetals ShinyDull Malleable, ductileBrittle Properties of metals and nonmetals

MetalsNonmetals ShinyDull Malleable, ductileBrittle Excellent conductorsPoor conductors Properties of metals and nonmetals

MetalsNonmetals ShinyDull Malleable, ductileBrittle Excellent conductorsPoor conductors High densityLow density Properties of metals and nonmetals

MetalsNonmetals ShinyDull Malleable, ductileBrittle Excellent conductorsPoor conductors High densityLow density Cations- give up electronsAnions- take electrons Properties of metals and nonmetals

MetalsNonmetals ShinyDull Malleable, ductileBrittle Excellent conductorsPoor conductors High densityLow density Cations- give up electronsAnions- take electrons Located on left side of Periodic Table Located on right side of Periodic Table Properties of metals and nonmetals

How does the periodic table tell us what an element is? These are the NONMETALS These are all METALS… And, these are the metalloids!

Periodic Table; organization So, he organized them by properties And, he put them in groups, called families Because of that, some groups have special family names because they have unique properties

Periodic Table

Family names on Periodic Table Group 1 = Alkali Metals

Periodic Table ALKALI ALKALI ALKALI ALKALI

Family names on Periodic Table Group 1 = Alkali Metals Alkali Metals are HIGHLY reactive. So reactive, that these elements violently react with water!! These metals CAN NOT be found in “free in nature”. This is a special property for this group

Family names on Periodic Table Group 1 = Alkali Metals Group 2 = Alkaline Earth Metals

Periodic Table ALKALI ALKALI ALKALI ALKALI ALKALINEALKALINE

Family names on Periodic Table Group 2 = Alkaline Earth Metals Alkaline Earth Metals are reactive metals that CAN be found in the Earth. This is the special property for this group (These elements also react with water but not as “cool”!)

Family names on Periodic Table Group 2 = Alkaline Earth Metals Group 3-12 = Transitional Metals Group 1 = Alkali Metals

Periodic Table TRANSITIONAL METALS ALKALI ALKALI ALKALI ALKALI ALKALINEALKALINE

Family names on Periodic Table Group 3-12 = Transitional Metals Transitional metals are metals that can change its bonding capability; depending on the situation. This is the special property for this group

Family names on Periodic Table Group 1 = Alkali Metals Group 2 = Alkaline Earth Metals Group 3-12 = Transitional Metals Group 17 = Halogens

Periodic Table ALKALI ALKALI ALKALI ALKALI ALKALINEALKALINE HALOGENSHALOGENS TRANSITIONAL METALS

Family names on Periodic Table Group 17 = Halogens Halogens are the most reactive NON-METAL elements. This is the special property for this group

Family names on Periodic Table Group 1 = Alkali Metals Group 2 = Alkaline Earth Metals Group 3-12 = Transitional Metals Group 17 = Halogens Group 18 = Noble Gases

Periodic Table ALKALI ALKALI ALKALI ALKALI ALKALINEALKALINE HALOGENSHALOGENS NOBLEGASESNOBLEGASES TRANSITIONAL METALS

Family names on Periodic Table Group 18 = Noble Gases Noble Gases are elements that are completely UNREACTIVE!! They don’t react with any other element!! This is the special property for this group