enFI8
periodic law : the that states that the repeating chemical physical properties of elements change periodically with the atomic number
period : in chemistry, a horizontal row in the periodic table
periodic : describes something that occurs or repeats at regular intervals
group : a vertical column of elements in the periodic table
alkali metals : one of the elements of group 1
alkaline earth metal : one of the elements of group 2
halogens : one of the elements of group 17
noble gases : one the elements of group 18
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one of the elements of group 2
one of the elements of group 1
the that states that the repeating chemical physical properties of elements change periodically with the atomic number
one the elements of group 18
one of the elements of group 17
describes something that occurs or repeats at regular intervals
in chemistry, a horizontal row in the periodic table
a vertical column of elements in the periodic table