AQA A Level Chemistry復習筆記6.2.5 Variable Oxidation States
Variable Oxidation States The table below shows the most common oxidation states of a few transition metals Oxidation states of transition elements table When transition elements form...
AQA A Level Chemistry復習筆記 6.2.4 Formation of Coloured Ions
Colour in Transition Metal Ions Most transition element complexes are?coloured The transition metal ions can be identified by their colour The large variety of coloured compounds is a defini...
AQA A Level Chemistry復習筆記 6.2.3 Shapes of Complex Ions
Shapes of Complex Ions Depending on the?size of the ligands?and the?number of dative bonds?to the central metal ion, transition element complexes have different geometries Dative bonds can a...
AQA A Level Chemistry復習筆記 6.2.2 Ligand Exchange
Ligand Exchange Ligand exchange?(or?ligand?substitution) is when one?ligand?in a complex is replaced by another Ligand exchange forms a new complex that is?more stable?than the original one ...
AQA A Level Chemistry復習筆記 6.1.4 Oxides Reacting with Water
Oxides Reacting with Water Structure, bonding & electronegativity of the Period 3 elements table The oxides of?Na and Mg?which show purely?ionic bonding?produce?alkaline?solutions...
AQA A Level Chemistry復習筆記6.1.3 Melting Point Trend
Melting Point Trend The melting points of the oxides vary significantly across Period 3 and show a clear trend Melting point is a clear indication of the forces of attraction which exist bet...
AQA A Level Chemistry復習筆記6.1.2 Reaction with Oxygen
Reaction with Oxygen Oxide Formation The period 3 elements, excluding chlorine and argon, combine with oxygen to form oxides The oxide formed will contain the elements in their highest oxida...
修AP課程的優(yōu)勢有哪些？
想要學習AP的同學們?nèi)菀妆粋餮缘腁P要求的高綜合能力和各個學科的難度勸退。但是其實對于想要沖擊藤校等美國頂級院校的學生，AP始終是你的不二選擇。根據(jù)美國大學理事會發(fā)布的研究顯示，2003年至今，選擇AP的學生...
2022年AP部分科目5分率數(shù)據(jù)！
根據(jù)大學理事會（College Board）官網(wǎng)通知，2022年AP大考分數(shù)將于7月5日起陸續(xù)公布。AP成績公布后，CB會發(fā)送一份官方通知郵件到考生CB綁定的郵箱中。 AP成績查詢鏈接： https://apscore.collegeboard.org/scores#...
