chemistry 0.0 / 5 ? Chemistryatoms, periodic table , bondingGCSEAll boards Created by: meganpikeCreated on: 04-06-17 18:21 what are electrons shells made up of? sub-shells and orbitals 1 of 16 what is another name for an electron shell? energy level 2 of 16 how are ions attracted in ionic bonding? electrostatically 3 of 16 what is an ionic bond? electrostatic attraction between oppositley charged ions 4 of 16 what is the total charge of an iconic compound? 0 5 of 16 sodium chloride is an example of what? a giant ionic lattice 6 of 16 what are 3 properties of ionic compounds? conducts electricity, high melting point and dissolves in water 7 of 16 why do iconic compounds dissolve in water? water is polar and pulls the ions away from the lattice 8 of 16 why do iconic compounds have a high melting point? takes alot of energy to break the electostatic forces 9 of 16 what is a molecule? smallest part of a compound that can take part in a chemical reaction 10 of 16 define a covalent bond a shared pair of electrons 11 of 16 what is a daitive covalent bond? where both electrons come from 1 atom 12 of 16 what is an example of a giant covalent lattice? dimond 13 of 16 what effects the melting point in metallic bonding? number of delcocalised electrons, size of metal ion, lattice structure 14 of 16 what makes metal good conductors? delcoalised electrons can pass energy to each other 15 of 16 what is metallic bonding? Electrostatic attraction between positive ions and delocalized electrons (from the outer energy level). 16 of 16
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