In a period, elements are arranged strictly in a sequence of:
decreasing charge in the nucleus
increasing charge in the nucleus
constant charge in the nucleus
equal charge in the nucleus
A
equal charge in the nucleus
B
decreasing charge in the nucleus
C
increasing charge in the nucleus
D
constant charge in the nucleus
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Solution
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In a period, the elements are arranged strictly in a sequence of increase in atomic number by one unit, i.e., increase in a number of protons by one and thereby increase in charge in the nucleus by one unit.
Option B is correct.
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