Biology, 01.07.2020 16:01 serenityharmon1
Which of the following is/are true for the elements of the sixth period in the periodic table ?
a)They include the elements from cesium to radon.
b)They include transition elements of the lanthanide series.
c)There are a total of 15 elements in the sixth period.
d)Both A and B
Answers: 1
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Which of the following is/are true for the elements of the sixth period in the periodic table ?
a)T...
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