Chemistry, 19.03.2020 00:48, daisyyy12

Which of the following statements about the periodic table is true
1.elements in the same column are similar in their properties
2.elements in the same row are similar in their properties
3.elements that start with the same letter are similar in their properties
4.elements that have the same atomic mass are similar in their properties

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Which of the following statements about the periodic table is true
1.elements in the same col...