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Chemistry, 16.11.2020 22:10 marcucciisabella
Which of the following is/are true?
A. In each period, the atomic numbers increase from left to right.
B. The periods are numbered 1 through 7 on the left-hand side of the periodic table.
C. Elements in the same period have chemical properties which are not all simular.
D. All of the above
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Which of the following is/are true?
A. In each period, the atomic numbers increase from left to rig...
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