EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.4.4 Electronic Configuration & Reactivity Similar Chemical Properties Chemical properties of elements in the same group Elements in th...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.4.3 Classify Metals & Non-Metals Classify Metals & Non-Metals We can use properties such as electrical conductivity and acid-base ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.4.2 Electronic Configurations Deducing Electronic Configurations We can represent the electronic structure of atoms using electron shell d...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.4.1 Periodic Table: Basics Arrangement of the Periodic Table There are over 100 chemical elements which have been isolated and identified ...
Entry Routes of Pathogens In order for pathogens to cause disease they need to enter the body There are four main ways in which pathogens can enter Broken skin This provides direct access to the ti...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.3.2 Calculate Relative Atomic Mass Calculate Relative Atomic Mass The relative atomic mass of each element is calculated from the?m...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.3.1 Atoms: Definitions & Structure Atoms & Molecules It is important to understand the terms atom and molecule when referring to a...
Structure of Bacteria & Viruses Bacteria Bacteria are small, single-celled?prokaryotes Prokaryotic cells are much?smaller?than eukaryotic cells They also differ from eukaryotic cells in having ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.2.5 Practical: Investigating Paper Chromatography Practical: Investigate Paper Chromatography Using Inks & Food Colourings Objective: Investi...
