Periodic Table

Alkali Metals
s1 block
-silvery, soft, reactive with non-metals-
Alkaline Earth-Metals
s2 block
-harder, denser, stronger (than alkali) and also very reactive-
Transition Metals
d3-d12
-good conductors, shiny, ductile, malleable-
Halogens
Group 17
-Most reactive non-metals (salts)-
Metalloids
B, Si, Ge, As, Sb, Te
-Semi-conductors-
Noble Gases
Group 18
-Inert-
Lanthanides
Between Groups 3&4 (period 6)
-Shiny metals, similar in reactivity to Alkaline earth metals-
Actinides
Between Groups 3&4 (period 7)
-Radioactive-
*first 4 natural, rest are manmade*
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