Ionisation
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the definition of First Ionisation energy? | The amount of energy required to remove one electron from each atom, in one mole of gaseous atoms, to form one mole of +1 ions.
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| What are the three factors affecting Ionisation energy? | Nuclear charge, Electron shielding and Atomic Radius
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| How does Nuclear charge affect Ionisation Energy? | As the proton number increases, the greater the nuclear charge, the greater the attraction
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| How does Electron Shielding affect Ionisation Energy? | The more shells, the inner shells repel the outer shells, making it easier to remove electrons
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| How does Atomic Radius affect Ionisation energy? | Further from the nucleus, means there is less attraction between the protons and electrons
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| Why do successive ionisation energies increase slightly? | Because as electrons are removed from the atom, the atom get slightly smaller, because there is stronger attraction from the nucleus, and the electrons are pulled in?
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