SoClaitllmado SoClaitllmado

15-06-2016
Chemistry

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Which of these statements about the organization of the periodic table is true?
a. Elements in the same column have the same number of valence electrons.
b. Elements near each other tend to react with each other.
c. Elements at the top are less common than elements near the bottom.
d. Elements are arranged in order of increasing mass number

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15-06-2016

a. elements in the same group has same number of valence electrons and have similar chemical properties

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