Grade 11 Chemistry Exam Questions and Answers, Exams of Advanced Education

Download Grade 11 Chemistry Exam Questions and Answers and more Exams Advanced Education in PDF only on Docsity! Grade 11 Chemistry Exam Questions and Answers cations - correct answer-positive ion anion - correct answer-negative ion electronegativity - correct answer-overall electron attracting ability across - increase down - decrease electron affinity - correct answer-UNITS of energy an atom is willing to give up for an electron atomic radius - correct answer-distance between the nuclei of two atoms divided by 2 across - smaller, stronger + pull down - larger, more EL & less + pull ionization energy - correct answer-UNITS of energy required to remove elections increase with each energy level closer to nucleus reactivity metals - correct answer-lose electrons across - decrease, same EL & higher + pull down - increase, lose e more easily reactivity nonmetals - correct answer-gain electrons across - increase, stronger + pull down - decrease, less + pull hypo - ite - correct answer-hypo (low blood sugar) 2 less O -ite - correct answer-alright 1 less O -ate - correct answer-8 octet most stable per - ate - correct answer-hyper (high blood sugar) 1 more O IUPAC oxyacids - correct answer-very royal, official names aqueous hydrogen __polyatmoic ion__ classical oxyacids - correct answer-ate - ic (i ate it and it was ic) ite - ous (alright bc we're us) hypo - it.......hypo - ous hyper - ate...hyper - ate alpha decay - correct answer-element gives off alpha particles & gamma to form new element beta decay - correct answer-element gives off beta particles & gamma to form new element nuclear reaction rules - correct answer-atomic # and atomic mass must be equal on both sides of rxn artificial transmutation - correct answer-bombard with particle to create a new element fission - correct answer-bombard with particle to break into 2 smaller nuclei fusion - correct answer-helium fuses to form helium start with hydrogen, end with helium radioisotopes - correct answer-unstable isotopes that decay (give off radiation) over time half life - correct answer-the time it takes for half of the mass of an isotope to decay isotope avg mass calculation - correct answer-assume 100 atoms (% x mass) + (% x mass) -------------------- 100 intramolecular - correct answer-forces within a molecule strongest intermolecular forces - correct answer-forces between molecules fairly weak hydrogen, dipole dipole, london dispersion london dispersion - correct answer--weakest, gases & liquids -low MP, low BP -attraction between 2 non-polar molecules -temp neg. end attracts to temp pos. end -pos./neg. ends based on which side the e- cloud is surrounding