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Cards in this deck (2)
- 1Structure of an atomAtoms consist of electrons that surround a nucleus that contains protons and neutrons - neutrons are neutral but protons are positively charged and electrons are negatively charged. The number of protons in an atom is called its atomic number.
- 2ElementsAn element is a pure substance that contains only one type of atom
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- Flashcards on Untitled, created by Sofie Millington on 20/11/2017.
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- Sofie Millington
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