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An atom contains neutrons, protons and electrons and it's charge depends on the ratio of each within the atom. A proton is a subatomic particle with a relative charge of +1 An electron has a relative charge of -1
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Ive got maths test tomrrow morning, havnt revised, what do i do?
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I have a chemistry exam in 3 days and I’m having a lot of trouble in the subject what should I do?? 😔😢😭?