chemistry for life 0.0 / 5 ? ChemistryAcids, bases and saltsCalculationsBonding & shapesThe Periodic TableASAQA Created by: wills007Created on: 23-04-14 11:15 I'm made up of protons and neutrons mass number 1 of 20 Atoms of the same element but different numbers of neutrons isotopes 2 of 20 who came up with the plum pudding model? JJ Thompson 3 of 20 First stage in a mass spectrometer vaporation 4 of 20 average mass of an atom of element on scale carbon-12 is 12 relative atomic mass 5 of 20 Beta deflection in electric field large 6 of 20 what stops alpha penetrating? paper 7 of 20 time taken for half the atoms in a sample to decay half life 8 of 20 what can radio isotopes be used for? tracers 9 of 20 two nuclei combine under high temperature to make one larger nucleus nuclear fusion 10 of 20 the mass of one mole molar mass 11 of 20 solution in water aqueous 12 of 20 smallest ratio of atoms in a compound empirical formula 13 of 20 actual numbers of atoms in a molecule molecular formula 14 of 20 coloured background with black lines absorption spectrum 15 of 20 black background with coloured lines emission spectrum 16 of 20 ionic bonding is when ionsare stuck together by........................ electrostatic attraction 17 of 20 sodium chloride has a ............. ............... ........... structure giant ionic lattice 18 of 20 4 areas of electron density, one lone pair, all aroud central atom repelling as far apart as possible, bond angle of 107 trigonal pyramidal 19 of 20 SF6 - name the shape? octanhedral 20 of 20
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