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Which of the following properties generally decrease along a period?

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Important Questions on Classification of Elements and Periodicity in Properties

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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 7
An element ’M' has an atomic number 9 and its atomic mass 19. The ion of M will be represented by _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 8
The element with the smallest size in group 13 is _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 9
The elements with atomic numbers 2, 10, 18, 36, 54 and 86 are all _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 10
The number of elements in the third period of the periodic table is _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 11
Which of these choices is not a family of elements?
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 12
The element which has the least tendency to lose electron is _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 13
The most metallic element in the fourth period is _____.
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General Science for Competitive Exams>Chapter 11 - Classification of Elements and Periodicity in Properties>EXERCISE>Q 14
The elements of group sixteen are called _____.