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Main group elements (Group 8 (noble gases) (gases, complitely filled…
Main group elements
Group 8 (noble gases)
gases
complitely filled shells of electrons
unreactive
Group 1(Alkali Metals)
phisical properties
lowest ionization energies
Low-dencity
Silver-colored
Soft
Chemical properties
one valence electrons
most active
react with
halogens
water
Group 2 (Alkaline Earth Metals)
phisical properties
Group 1
Chemical properties
less activity compared to group 1
react with
halogens
Slowly with water
two valence electron
Group 4 (carbon group)
Chemical properties
four valence electrons
covalent bonds
a mix types of elements (metalloid and non-metal)
Group 7 (haloogens)
Chemical properties
seven valence electrons
non-metals
react with Alkali Metals and Alkaline Earth Metals
phisical properties
liquids and gases
Group 3 (Boron group)
Chemical properties
non metalic
Boron is metalloid
Three valence electrons
React with
amphoteric
Group 5 (Nitrogen -*-)
Chemical properties
four valence electrons
non-metals and metalloid
covalent bonds
Group 6 (chalcogens)
Chemical properties
six valence electrons
Oxigen is non metal