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Which of these belong to the same period? Element A B C Atomic number 2 10 5
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12/11/2020 11:22 am
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Which of these belong to the same period?
Element A B C
Atomic number 2 10 5
(a) A, B
(b) B, C
(c) C, A
(d) A, B and C
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1 Answer
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12/11/2020 11:22 am
(b) B, C
Explanation:
B = 10 (2, 8), C = 5 (2, 3) Both have 2 periods.
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