DAT Bootcamp General Chemistry Test 8 Questions And Answers

DAT Bootcamp General Chemistry Test 8
Questions And Answers
atom - Answer - smallest unit of an element



molecule - Answer - atom bonded to at least one other atom



ion - Answer - atom that has lost or gained an electron (charged)



allotrope - Answer - elemental molecule with different formulas,

example: O2 and O3



ionic compound - Answer - metal + nonmetal. high MP, high BP, brittle, hard.

held together by ionic interactions (lattice energy). ex) NaCl or MgO



molecular compound - Answer - 2+ nonmetals. low MP, do not conduct electricity. held together by
intermolecular forces. ex) H2O or Cl2 or CH2



HClO - Answer - hypochlorous acid



HCl - Answer - hydrocloric acid



HClO2 - Answer - chlorous acid



HClO3 - Answer - chloric acid



HClO4 - Answer - perchloric acid



Percent error - Answer - actual - theoretical / theoretical

, Beer-Lambert Law - Answer - absorbance = (molar absorptivity)(c)(l)



Avogadro's number - Answer - 1 mol = 6.022E23



mass number - Answer - protons + neutrons



atomic number - Answer - number of protons



Bohr Model - Answer - model of an atom that shows electrons in circular orbits around the nucleus



Paramagnetic - Answer - unpaired electrons, attracted to magnets



Diamagnetic - Answer - paired electrons, slightly repelled by magnets



principal quantum number - Answer - n

shell (distance from nucleus)

(l, infinity)



azimuthal quantum number - Answer - l

subshell

l=0 s, l=1 p, l=2 d, l=3 f



magnetic quantum number - Answer - ml

specific orbital

-l,...,+l



spin quantum number - Answer - ms

electrons up or down