Edexcel IGCSE Chemistry 復習筆記 1.5.8 Empirical & Molecular Formulae
Edexcel IGCSE Chemistry 復習筆記 1.5.8 Empirical & Molecular Formulae Empirical & Molecular Formulae The?molecular?formula?is the formula that shows the?number?and?type?of each atom ...
Edexcel IGCSE Chemistry 復習筆記 1.5.7 Practical: Determine the Formula of a Metal Oxide
Edexcel IGCSE Chemistry 復習筆記 1.5.7 Practical: Determine the Formula of a Metal Oxide Practical: Determine the Formula of Magnesium Oxide Aim: To determine the empirical formula of magnesium oxi...
Edexcel IGCSE Chemistry 復習筆記1.5.6 Experiment: Finding Formulae of Compounds
Edexcel IGCSE Chemistry 復習筆記1.5.6 Experiment: Finding Formulae of Compounds Formulae of Simple Compounds by Experiment Making Careful Quantitative Measurements The formulae of simple com...
Edexcel IGCSE Chemistry 復習筆記 1.5.5 Calculate Percentage Yield
Edexcel IGCSE Chemistry 復習筆記 1.5.5 Calculate Percentage Yield Calculate Percentage Yield Yield?is the term used to describe the amount of?product?you get from a reaction In practice, you?never?...
Edexcel IGCSE Chemistry 復習筆記 1.5.4 Calculate Reacting Masses
Edexcel IGCSE Chemistry 復習筆記 1.5.4 Calculate Reacting Masses Calculate Reacting Masses Chemical equations can be used to calculate the?moles?or?masses?of reactants and products To do thi...
Edexcel IGCSE Chemistry 復習筆記 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 復習筆記 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 substance contains the...
GCSE考試很難嗎？2021年最難的5道數學真題解析！
GCSE考試很難嗎？本期我們來看看英國TS網站提到的2021年最難的5道GCSE數學真題解析！TS表示雖然他們已經盡量在學生中調查最難的GCSE數學題了，但是每個人在GCSE數學上的優點和缺點的都不同，所以不存在真正意義上...
Edexcel IGCSE Chemistry 復習筆記 1.5.2 Calculate Relative Mass
Edexcel IGCSE Chemistry 復習筆記 1.5.2 Calculate Relative Mass Relative Formula Mass & Relative Molecular Mass We have seen previously that the symbol for the relative atomic mass is?Ar ...
Edexcel IGCSE Chemistry 復習筆記 1.5.1 Word & Chemical Equations
Edexcel IGCSE Chemistry 復習筆記 1.5.1 Word & Chemical Equations Writing Equations Nothing created - nothing destroyed However, the same atoms are always present before and after reaction They ...
