Chemistry- C1 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: :-DCreated on: 20-07-18 17:24 Why does the nucleus have a positive charge? The nucleus has a positive charge because of protons 1 of 8 What does the nucleus contain? The nucleus contains protons and neutrons 2 of 8 How do you get the number of neutrons? To get the number of neutrons, you subtract the atomic number from the mass number 3 of 8 What charge do protons have? Protons have a positive charge 4 of 8 What charge do electrons have? Electrons have a negative charge 5 of 8 Why are atoms neutral? Atoms are neutral and have no charge overall because they have the same number of protons as electons 6 of 8 What is an ion? Ion is a atom or group of atoms that have lost or gained electrons 7 of 8 What is the mass number? The mass number is the total number of protons and neutrons 8 of 8
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