EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.7.3 Simple Molecular Structures Simple Molecular Structures Simple molecular structures have covalent bonds joining the atoms together, bu...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.7.1 Formation of Covalent Bonds Formation of Covalent Bonds Non-metal atoms can share electrons with other non-metal atoms to obtain a?ful...
2022申請季考試火熱進(jìn)行中，這邊我們也不要忘記關(guān)注考試安排的調(diào)整，這邊愛德思考試局官網(wǎng)顯示：2023年1月是愛德思最后一個(gè)1月IG考試季！IGCSE考試1月考試季取消，改為11月考試季進(jìn)行！ 也就是說，愛德思考試局決...
IGCSE英語文學(xué)課程難嗎？英語作為IGCSE課程體系必修學(xué)科，如拿不到高分，成績不理想，對(duì)之后Alevel學(xué)習(xí)及大學(xué)申請都有一定程度的影響；今天就來給大家分享特別整理的IGCSE英語文學(xué)必讀書單。 IGCSE英語文學(xué)教學(xué)大...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.7.2 Covalent Bonds: Dot & Cross Diagrams Covalent Bonds: Dot & Cross Diagrams Covalent substances tend to have small molecular str...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.6.1 Formation of Ions Formation of Ions An ion is an?electrically?charged?atom or group of atoms formed by the?loss?or?gain?of?electrons This los...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.5.1 Word & Chemical Equations Writing Equations Nothing created - nothing destroyed New substances are made during chemical reactions ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is?mol One mole of a subst...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.6 5 Ionic compounds: Bonds, Structure & Properties Ionic bonding The positive and negative charges are held together by the strong?ele...
