MelaSp6otiffemai MelaSp6otiffemai

29-05-2016
Chemistry

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Elements in the same group on the periodic table have the same

number of electrons

number of protons

number of neutrons

number of valence electrons

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Tristanlee3401 Tristanlee3401

29-05-2016

Elements in the same group have the same number of valence electrons labelled in Roman numerals.

Also, From left side-Right side of the periodic is in the following order - Alkali Metals, Alkali Earth Metals, Halogens then Noble gases in the Far right of the periodic table

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