Edexcel IGCSE Physics 復習筆記 7.2.3 Uses of Radioactivity
Edexcel IGCSE Physics 復習筆記 7.2.3 Uses of Radioactivity Uses of Radioactivity Radiation is used in a number of different ways: Medical procedures including diagnosis and treatment of canc...
Edexcel IGCSE Physics 復習筆記 7.2.2 Half-Life
Edexcel IGCSE Physics 復習筆記 7.2.2 Half-Life Half-Life It is impossible to know when a particular unstable nucleus will decay But the rate at which the activity of a sample decreases can b...
Edexcel IGCSE Physics 復習筆記 7.2.1 Activity & Decay
Edexcel IGCSE Physics 復習筆記 7.2.1 Activity & Decay Activity and Decay Objects containing radioactive nuclei are called?sources?of radiation Sources of radiation decay at different?rat...
Edexcel IGCSE Physics 復習筆記 7.1.6 Detecting Radiation
Edexcel IGCSE Physics 復習筆記 7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received by a person is c...
Edexcel IGCSE Physics 復習筆記 7.1.5 Decay Equations
Edexcel IGCSE Physics 復習筆記 7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a?decay equation A decay equation is similar to a chemical reaction equation ...
Edexcel IGCSE Physics 復習筆記 7.1.4 Core Practical: Investigating Radiation
Edexcel IGCSE Physics 復習筆記 7.1.4 Core Practical: Investigating Radiation Core Practical 13: Investigating Radiation Aim of the Experiment ?The aim of this experiment is to investigate th...
Edexcel IGCSE Physics 復習筆記 7.1.3 Types of Radiation
Edexcel IGCSE Physics 復習筆記 7.1.3 Types of Radiation Types of Radiation Unstable Nuclei and Radiation Some atomic nuclei are?unstable This is because of an imbalance in the forces within ...
Edexcel IGCSE Physics 復習筆記 7.1.1 Atomic Structure
Edexcel IGCSE Physics 復習筆記 7.1.1 Atomic Structure Atomic Structure Atoms are the building blocks of?all matter They are incredibly small, with a radius of only 1 × 10-10?m This me...
Edexcel IGCSE Physics 復習筆記 7.1.2 Isotopes
Edexcel IGCSE Physics 復習筆記 7.1.2 Isotopes Isotopes Although the number of protons in a particular element is always the same, the number of?neutrons?can be different Isotopes?are atoms o...
