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Lecture 11: Periodic Trends

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卡片总数: 14 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (14 张)

#1
正面 (问题)

Atom size definition

背面 (解答)

½ the distance between nuclei of two atoms of the element in the solid phase (use X-ray crystallography!)

#2
正面 (问题)

size (increase direction)

背面 (解答)

up and right> /

#3
正面 (问题)

ionization energy (increase direction)

背面 (解答)

down and left < /

#4
正面 (问题)

electron affinity (increase direction)

背面 (解答)

down and left< /

#5
正面 (问题)

energy of an electron is a balance of

背面 (解答)

-electrostatic attraction -electrostatic repulsion -distance

#6
正面 (问题)

Z is

背面 (解答)

nuclear charge

#7
正面 (问题)

Z effective is

背面 (解答)

portion of Z that the e- actually experience

#8
正面 (问题)

Zeff is different for every atom & subshell due to

背面 (解答)

shielding & penetration

#9
正面 (问题)

Zeff influences

背面 (解答)

how strongly valence electrons are held

#10
正面 (问题)

ionization energy

背面 (解答)

Amount of energy required to remove an electron

#11
正面 (问题)

electron affinity

背面 (解答)

Energy change that occurs when a neutral atom gains an e- to form an anion

#12
正面 (问题)

cations are

背面 (解答)

smaller than neutral atoms

#13
正面 (问题)

anions are

背面 (解答)

larger than neutral atoms

#14
正面 (问题)

isoelectronic

背面 (解答)

EXACT same electron configuration but with a different amount of protons