Edexcel IGCSE Chemistry 復習筆記 1.7.3 Simple Molecular Structures Simple Molecular Structures Simple molecular structures have covalent bonds joining the atoms together, but intermolecular ...
Calculating Normal Probabilities How do I find probabilities using a normal distribution? How do I calculate P(X?=?x): the probability of a single value for a normal distribution?? The probability ...
Alpha, Beta & Gamma Radiation Alpha Particles Alpha (α) particles?are high energy particles made up of?2 protons and 2 neutrons?(the same as a helium nucleus) They are usually emitted fr...
Edexcel IGCSE Chemistry 復習筆記 1.7.2 Covalent Bonds: Dot & Cross Diagrams Covalent Bonds: Dot & Cross Diagrams Covalent substances tend to have small molecular structures, such as ...
Edexcel IGCSE Chemistry 復習筆記 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?full?outer?shell?of ...
Changing Models of the Nucleus John Dalton’s Model (1803) Dalton imagined that all matter was made of tiny solid particles called atoms Dalton’s model proposed: Atoms are the smallest consti...
隨著教育逐漸全球化，千軍萬馬過獨木橋的“高考”已經不是大家唯一的選擇，許多小伙伴們選擇高考結束就去國外的優秀大學深造，由此加拿大等國也開始認可我們的高考成績。但是高考也不一定是適合每一個學生，大家也...
Rutherford Scattering Evidence for the structure of the atom was discovered by Ernest Rutherford in the beginning of the 20th century from the study of?α-particle scattering The experimental...
Inefficiencies in a Transformer Inefficiencies in a transformer appear not from just the core, but also in the wires The coils of wire have resistance This causes heat energy to be lost from...
