Chemistry UNIT 1 0.0 / 5 ? ChemistryASAQA Created by: HannahCreated on: 28-12-12 12:03 which particle in an atom is not a nucleon? electron 1 of 30 how many electrons in a diagram are in the third outer shell? 18 2 of 30 what does the atomic number tell us? number of protons 3 of 30 what does the mass number tell us? number of nucleons 4 of 30 in a mass spectrometer after ionisation what happens next? acceleration 5 of 30 what are the four sub-levels called? s,p,d,f 6 of 30 how many electrons can a d sub-level hold? ten 7 of 30 what is the name used to describe the energy to remove one electron? ionisation energy 8 of 30 what increases as you go down the periodic table? atomic radius 9 of 30 the relative atomic mass is related to which element? carbon-12 10 of 30 mass in g / mass of 1 mole = number of moles 11 of 30 PV = nRT 12 of 30 1000n = CV 13 of 30 what is the simplest whole number ratio? empirical formula 14 of 30 what is the actual number of atoms in a compound called? molecular formula 15 of 30 mass of useful product / total mass of reactants X 100 = percentage atom economy 16 of 30 what is the bonding found in metals? metallic 17 of 30 which compounds are always solid at room temperatures? ionic 18 of 30 a covalent bond forms between a pair of? non-metal atoms 19 of 30 when one atom provides both electrons it is called? co-ordinate bond 20 of 30 the way negative charge is distributed in a molecule is called? electron density 21 of 30 the larger the nuclear charge (depending on the shielding effect), the greater the? electronegativity 22 of 30 when one element is much more electronegative it is called? polar bond 23 of 30 electrons in metallic bonding are? delocalised 24 of 30 the weakest intermolecular force is? van der waals 25 of 30 ice is less dense than water because there are larger gaps between atoms 26 of 30 if you heat a solid the energy makes the particles? vibrate 27 of 30 ionic compounds have strong electrostatic attractions between oppositely charged ions 28 of 30 metals are in a ? - like structure? lattice 29 of 30 diamond and graphite are both? macromolecular 30 of 30
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