chem,isty 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: Lewys ThomsonCreated on: 15-04-16 17:40 What is the charge of a proton? +1 1 of 6 How do you calculate the atomic number of an atom? atomic number = number of protons. 2 of 6 How do you calculate the mass number of an atom? atomic mass = number of protons + number of neutrons 3 of 6 An atom in a of the same element can have a different number of neutrons these are known as? Isotopes. 4 of 6 What are all elements in group 7 known as? Noble gasses. 5 of 6 If an element had 19 electrons how many protons would it have? it would have 19 because number of protons = number of electrons 6 of 6
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