Ionisation Energies: Equations The?second ionisation energy?(IE2) is the energy required to remove the second mole of electrons from each +1 ion in a mole of gaseous +1 ions, to form one mol...
Ionisation Energies The?Ionisation?Energy?(IE) of an element is the amount of energy required to remove?one mole?of electrons from?one mole?of gaseous atoms of an element to form?one mole?of...
Deducing the Electron Configuration The Periodic Table is split up into four main blocks depending on their electron configuration Elements can be classified as an s-block element, p-block e...
Electron Shells Shells The arrangement of electrons in an atom is called the?electron?configuration Electrons are arranged around the nucleus in?principal energy levels?or?principal quantum ...
在這篇文章中我們會注重分享AP Precal與 不同數學國際課程體系中相似科目的對比 以及備考建議 歡迎分享與收藏 AP Precal的內容和其他不同體系的對比 （1）和AP Calculus（AP 微積分）對比 AP預備微積分是AP微積分...
Time of Flight Mass Spectrometry Mass Spectrometry is a powerful analytical technique It is the most useful instrument for accurate determination of the relative atomic mass of an element, b...
Subatomic Structure of Atoms & Ions The mass of an atom is?concentrated?in the nucleus, because the nucleus contains the heaviest subatomic particles (the neutrons and protons) The mass ...
計算器的使用 統計考試全程可以使用計算器，并且在考試中提供公式表，但這里要提示同學們，切不可依賴公式表來解題。 原因在于一是公式表中的公式并不包括所有的公式，二是頻繁看公式表會降低解題速度。并且，如...
經常有小伙伴們會問到“如果我學XX專業，都需要考什么AP啊？” 為了更好的幫助到大家 我們特從CB官網摘取了信息 匯總了美國大學各個專業 建議備考的AP科目 供大家參考 專業名稱（中英文） 建議備考的AP科目 Account...
