Explore this spelling list: GCSE Physics: Radioactivity 1. Our page is packed with activities, games, and resources to help you succeed. Engage with our online games, spelling exercises, and downloadable content. Use the Learn, Games, Test, Print, or Write buttons to view all the activities.
Key words for GCSE Physics
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atom |
An atom is the smallest particle of an element that can exist.
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proton |
A proton has a positive charge and is found in the nucleus of an atom.
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neutron |
A neutron has no charge and is found in the nucleus of an atom.
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electron |
An electron is part of an atom that has a negative charge. Electrons are found in shells.
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nucleus |
The nucleus is the centre of an atom and has a positive charge.
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nuclei |
Nuclei is the plural of nucleus.
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isotope |
An isotope is an atom that contains the same number of protons but different numbers of neutrons.
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source |
The source of something is the place where it comes from.
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alpha |
Alpha particles contain two protons and two neutrons.
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beta |
A beta particle is a high-speed electron.
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particle |
A beta particle is a high-speed electron.
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