The atom 0.0 / 5 ? ChemistryAtomic structureASAQA Created by: ChartamaraCreated on: 09-02-16 21:41 What is the relative mass of an electron? 1/2000 1 of 11 What is the relative mass of a neutron? 1 2 of 11 What is the charge of a proton? +1 3 of 11 Define the Mass number Total no. of protons and neutrons in the nucleus 4 of 11 What is the atomic number? Number of protons in the nucleus 5 of 11 What is the number of electrons the same as? The number of protons 6 of 11 How would you work out the number of neutrons? you would do the mass number minus the atomic number 7 of 11 What is an ion? An atom which has gained or lost electrons. 8 of 11 What do ions have that a regular atom do not? A positive or negative charge 9 of 11 Define an isotope. Atoms of an element with the same number of protons, however a different number of neutrons? 10 of 11 Does an isotope have the same chemical or physical properties? or both? Only the same chemical properties as physical properties of an isotope tend to be different. 11 of 11
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