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IB Chem PT SL

QuestionAnswer
Group vertical columns of the periodic table
Period horizontal rows of the periodic table
First Ionization Energy definition The energy required to remove one mole of electrons from a mole of atoms or ions in the gaseous phase
First Ionization Energy equation X(g) --> X+(g) + e-
Electron affinity definition is the energy released when 1 mol of electrons is attached to 1 mole of neutral atoms or molecules in the gas phase
Electron affinity equation X(g) + e- --> X-(g)
Electronegativity definition is a measure of the ability of an atom to attract bonded electron pairs to itself when in a covalent bond
Na(s) + H2O(l) → NaOH(aq) + H2(g)
2Na(s) + Cl2(g) → 2NaCl(s)
Na2O(s) + H2O(l) --> 2NaOH(aq)
MgO(s) + H2O(l) --> Mg(OH)2(aq)
P4O10(s) + 6H2O(l) --> 4H3PO4(aq)
SO2(g) + H2O(l) --> H2SO3(aq)
SO3(l) + H2O(l) --> H2SO4(aq)
Atomic radii Half the distance between the nuclei of two like atoms
Electron affinity definition The energy released when 1 mol of electrons is attached to 1 mole of neutral atoms or molecules in the gas phase
Created by: andrewweng0406
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