Edexcel A Level Chemistry:復習筆記1.2.1 Ionisation Energy
Factors Affecting Ionisation Energy Ionisation energy 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...
Edexcel A Level Chemistry:復習筆記1.1.4 Mass Spectrometry
Interpreting Mass Spectra Isotopes are different atoms of the same element that contain the same number of protons and electrons but a different number of neutrons These are atoms of the sam...
Edexcel A Level Chemistry:復習筆記1.1.3 Relative Mass
Isotopic & Atomic Mass The relative mass of an atom uses the carbon-12 isotope as the international standard One atom of carbon-12 has an accepted mass of 1.992646538 x 10-26?kg It is not reali...
Edexcel A Level Chemistry:復習筆記1.1.2 Isotopes
Atomic Structure Calculations An atom is?neutral?and has no overall charge Ions on the other hand are formed when atoms either?gain?or?lose?electrons, causing them to become?charged The numb...
Edexcel A Level Chemistry:復習筆記1.1.1 Structure of the Atom
Structure of the Atom All matter is composed of?atoms, which are the smallest parts of an element that can take place in?chemical reactions Atoms are mostly made up of?empty?space?around a v...
IB課程和AP課程的區別，應該如何選擇？
目前，中國地區包括外籍人員子女學校和公立學校國際部（班）、民辦國際學校在內的國際學校主要提供幾大主流課程。其中包括：A-Level、IB、AP，以及中美、中加和其他國家的國際課程。 而據一項針對國際學校開設相...
CIE A Level Maths: Pure 3復習筆記8.3.3 Square Roots of a Complex Number - Advanced
Square Roots of a Complex Number - Advanced Previously we looked at how to find the square roots of a complex number in Cartesian form (a+bi). We can also find square roots using polar ?and ...
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關注英國留學的家長們都知道，英國中學的課程，無論是GCSE還是A-Level，都是選課制。A-level課程學三門夠嗎？ 拿離大學更近的A-Level來說，A-Level課程共有70多門科目供學生選擇，但最終用來申請大學的只有學生選...
AP課程申請美本有哪些優勢？2023年AP考試報名開啟！
AP課程，全稱Advanced Placement，中文名稱為大學預修課程。AP課程及考試始于1955年，由美國大學理事會（College Board）主辦，在高中階段開設的具有大學水平的課程，比一般的高中課程更深入、復雜和詳細。 AP課...
