2022AMC10/12正在火熱進行中,2023AIME比賽時間已定,提前了解一下!
想要拿下名校錄取,僅有AMC10/12已經不夠了,晉級AIME并拿下重磅獎項才能提升競爭力!但別說拿獎,想要晉級AIME一點也不簡單! 根據去年AIME的晉級分數線,滿分150分的AMC10晉經AIME的分數線已經突破了103.5分紅...
想要拿下名校錄取,僅有AMC10/12已經不夠了,晉級AIME并拿下重磅獎項才能提升競爭力!但別說拿獎,想要晉級AIME一點也不簡單! 根據去年AIME的晉級分數線,滿分150分的AMC10晉經AIME的分數線已經突破了103.5分紅...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.6 Practical: Investigate Metals Reacting with Acids Practical: Investigate Metals Reacting with Acids Aim: To investigate the reactions between...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.5 Oxidation & Reduction Oxidation & Reduction Oxidation & reduction in terms of oxygen The reactions of metals with oxygen, such as...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.4 Rusting of Iron Rusting of Iron Rusting is a chemical reaction between iron, water and oxygen to form hydrated iron(III)oxide Oxygen a...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.3 Order of Reactivity Order of Reactivity Carbon and the reactivity series mnemonic Carbon is an important element and has its own place...
注意!NEC全美經濟挑戰賽將于11月30日截止報名! NEC是美國最具影響力的高中生經濟學學術活動,由美國經濟教育學會CEE舉辦。經過20余年的發展與積累,每年有超過15.000名學生受邀參與。其學術活動和參與學生都得...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.2 Metal Displacement Reactions Metal Displacement Reactions The reactivity of metals decreases going down the reactivity series. This me...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.4.1 Metals Reacting with Water & Acids Metals Reacting with Water & Acids The chemistry of the metals is studied by analysing thei...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記:2.3.5 The Greenhouse Effect The Greenhouse Effect When shortwave radiation from the sun strikes the Earth’s surface it is absorbed and?re-em...
? 2025. All Rights Reserved. 滬ICP備2023009024號-1