periodic families and family properties mary same

Periodic Families and Family Properties

Mary Same

What is the family name of the elements in column 18?


The Noble Gases

What family exhibits these characteristics/properties?

-All solids-Harder and denser than Alkali metals-Low first ionization energies-Reactivity increases moving down a group-Commonly found in nature at 2+ ions


-All solids-Harder and denser than Alkali metals-Low first ionization energies-Reactivity increases moving down a group-Commonly found in nature at 2+ ions

The Alkaline Earth Metals


-nonmetals-salt formers-melting and boiling points increase moving

down the group-highly negative electron affinities-React with Hydrogen to form compounds that

are very soluble in water


-nonmetals-salt formers-melting and boiling points increase moving

down the group-highly negative electron affinities-React with Hydrogen to form compounds that

are very soluble in water

The Halogens

The Alkali Metals



-soft metallic solids-silvery, metallic luster -high thermal and electrical conductivities-low densities and melting points that increase moving

down the group-the most active metals-react vigorously with water, producing Hydrogen gas

and metal hydroxides-extremely reactive toward Oxygen-have characteristic flame colors-commonly form 1+ ions


-soft metallic solids-silvery, metallic luster -high thermal and electrical conductivities-low densities and melting points that increase moving

down the group-the most active metals-react vigorously with water, producing Hydrogen gas

and metal hydroxides-extremely reactive toward Oxygen-have characteristic flame colors-commonly form 1+ ions

The Alkali Metals

The Halogens



-monoatomic (single atoms rather than molecules)

-unreactive-large first ionization energies-completely filled s and p subshells


-monoatomic (single atoms rather than molecules)

-unreactive-large first ionization energies-completely filled s and p subshells

The Noble Gases


-bond with many elements-contain nonmetals, metalloids, and metals-most elements are familiar in everyday life-most can only form positive ions-tend to share electrons-have 4 valence electrons


-bond with many elements-contain nonmetals, metalloids, and metals-most elements are familiar in everyday life-most can only form positive ions-tend to share electrons-have 4 valence electrons

The Carbon Family


-metals-conduct heat and electricity-ductile and malleable-most are solid at room temperature-have low ionization energies-charges do not follow an obvious pattern-oxides of these elements act like bases; they

react with acids to form a salt and water


-metals-conduct heat and electricity-ductile and malleable-most are solid at room temperature-have low ionization energies-charges do not follow an obvious pattern-oxides of these elements act like bases; they

react with acids to form a salt and water

The Transition Metals

The Boron Family


periodic families and family properties mary same

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