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【单选题】
关于元素周期律，下列各种说法中，不正确的是A.
元素性质随着核外电子周期性的排布而呈周期性的变化
B.
同一周期的元素的第一电离能随着原子序数的递增，由小到大
C.
同一周期的元素的原子半径随着原子序数的递增，由大到小
D.
同一周期的元素的原子电负性随着原子序数的递增，由小到大
E.
同一周期的元素的主要化合价随着原子序数的递增，由小到大
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A.
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B.
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C.
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【简答题】Task 2 Read the passage. Choose the best answer to each question. In England, most people live in areas. More and more families would rather have their own house than rent one. When buying their...
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