Read e-book online IGCSE Study Guide for Chemistry PDF

By Bob Berry

ISBN-10: 0719579023

ISBN-13: 9780719579028

This learn consultant has been written specifically for college kids getting ready from the collage of Cambridge overseas exam IGCSE Chemistry syllabus (Core and prolonged curriculum). It presents all of the rationalization and suggestion scholars have to examine successfully for the examination. the topic is split into themes. each one subject begins with an inventory of Key pursuits, which specifies the talents and information that scholars have to collect through the path. the place applicable, there's additionally a listing of Key Definitions. the main rules sections define the content material and will be utilized by scholars to envision that they be aware of and comprehend the basic recommendations for IGCSE Chemistry. universal misconceptions and error and highlighted. pattern questions and solutions and examiner's reviews convey scholars tips on how to enhance their solutions and raise their grades. additional questions (with solutions in the back of the publication) let scholars to check their wisdom. Written by means of skilled lecturers and examiners, the sequence is recommended by way of the college of Cambridge overseas Examinations.

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2) Beta particles (␤) are electrons with a lot of energy. They come from the breakup of a neutron in the nucleus of the unstable atom into a proton and an electron. Beta particles are used to treat and kill cancer cells, and in PET brain scanners. hAlpha radiation is easily stopped by thin materials, like paper or skin. Beta radiation is stopped by less than an inch of metal. Gamma radiation is hard to stop even with a thick piece of lead! 3) Gamma (␥) and X-ray radiation are made of photons with very high frequency and energy.

These particles were called kaons. 50 In the 1950s, new technology in particle physics brought more and more powerful particle accelerators and more sensitive particle detectors. Using particle accelerators meant that particle physicists could do tests creating subatomic particles without the need to depend on cosmic rays that occur randomly. Another large number of subatomic particles were then discovered, including antiparticles that had the same mass as their counter particle, but the opposite electric charge.

Theoretical physicists studying string theory are trying to find a “theory of everything,” which joins the Standard Model with quantum mechanics. Other high-energy physicists are searching for particles that have not existed since the beginning of the universe! Searching for the Higgs Particle at the LHC The Large Hadron Collider (LHC) is the largest and most powerful particle accelerator in the world. It is located at the European Organization for Nuclear Research (CERN), which is near Geneva on the border of France and Switzerland.

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IGCSE Study Guide for Chemistry by Bob Berry

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