题目
MCD1170 Introductory Chemistry - Trimester 1 - 2025
多项填空题
Question textComplete the following sentences to describe the trends in the periodic tableThe electronegativity of an atom Answer 1 Question 27[select: , increases, decreases] down a group and Answer 2 Question 27[select: , increases, decreases] along a periodThe atomic radius of an atom Answer 3 Question 27[select: , increases, decreases] down a group and Answer 4 Question 27[select: , increases, decreases] along a periodThe first ionisation energy of an atom Answer 5 Question 27[select: , increases, decreases] down a group and Answer 6 Question 27[select: , increases, decreases] along a period
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思路分析
The question asks us to complete six statements about periodic trends: electronegativity, atomic radius, and first ionisation energy, each across a group (vertical) and along a period (horizontal).
1) Electronegativity down a group: does it increase or decrease? Down a group, atomic size increases and effective nuclear charge experienced by bonding electrons tends to be r......Login to view full explanation登录即可查看完整答案
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类似问题
The chemical properties of elements O and F are similar.
Select the pair of elements you would expect to have similar chemical properties.
Which statement about magnesium is TRUE?
From the options below, select the answer which best describes the trends in atomic radius and first ionisation energy from left to right across the transition metals in a given period.
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