Pediodic Trends 3 Flashcards
Alkali metals have one valence electrons they will give up easily to
Get an octet
Alkali metals have one valence electron they will give up easily to get an octet so that
The ion has a 1+ charge
Alkali metals are _ that are also shiny
Soft, metallic solids
Alkali metals are _ that are also shiny
Soft, metallic solids
Alkali metals are good
Heat and electrical conductors
Alkali metals have low density and
Relatively low melting points
Alkali metals have _ and relatively low melting points
Low densities
Alkali metals have low density and relatively low melting points,
Decreasing with atomic mass
Alkaline earth metals have _ valence electrons that they will give up so _
2
The ion has a +2 charge
Alkaline earth metals are metallic solids which are
Harder than alkali metals
Alkaline earth metals are more _ than alkali metals
Dense
_ have higher melting points than alkali metals
Alkaline earth metals
Alkaline earth metals are better _ than alkali metals
Conductors
The number of electrons a transition metal can lose _
Varies
_ are hard metallic solids and very good conductors
Transition metals
Transition metals have high
Melting points
Transition metals are (3)
Shiny
Dense
Lustrous
Halogen have _ and want to gain an electron
Seven valence electrons
_ are reactive nonmetals
Halogens
Halogens have a melting point and boiling point that increases as
Atomic number increases
Noble gases have _ valence electrons
8
Only noble gas that doesn’t have eight valence electrons ()
Helium (has 2)
Noble gases rarely
React with other substances
Why noble gases rarely react with other substances
They have a complete outer energy level
