Academic Chemistry Semester Review (Fall 2024) PDF

Name: Period: Date: Academic Chemistry Semester Review (Fall 2024) SEMESTER TEST FORMAT (100 pts total): 80 multiple choice questions III. ATOMIC STRUCTURE/ NUCLEAR CHEMISTRY 1. What is the...

Name: Period: Date: Academic Chemistry Semester Review (Fall 2024) SEMESTER TEST FORMAT (100 pts total): 80 multiple choice questions III. ATOMIC STRUCTURE/ NUCLEAR CHEMISTRY 1. What is the definition of an atom? 2. How does Dalton's atomic theory help to explain the Law of Conservation of Mass'; 3. Explain Rutherford’s gold foil experiment. What did Rutherford discover about the structure of the atom? 4. Where are each of subatomic particles located m the the atom? What is the charge on each particle? x ? V z'. i usUU eAelec/wo cLv^ 5. Why is an atom electrically neutral? ’A/VtrviloC'*' (9^. p^DiDrO S Qf-) i> (j- ) 6. How do isotopes of an element differ? | tU dj 7 Defme. ZLvuAobev C) e^Rt) cuS mass number: pvO fOrt atomic mass: QjJ e/Gv^ £ C^hondt c 8. Calculate the number of protons, neutrons and electrons in the following isotopes: t '2- > N-^ -H*j ~ (b) Cadmium-112 Pz q-  1.-7-. +- — 13. Wliat are cations? Anions? Which one is formed from metals? From nonmetals? z r 14. Give the charge for the following ions: Sodium ion chloride ion nitrate ion phosphate ion ammonium ion oxide ion sulfate ion N«+’ or' Mt)f' POj*' o2-' sty2-' 15. Write the complete reaction for the following radioactive decay processes: Alpha: -> Z-f j' % ft ti 3^ fH € 227 89' IV. ELECTRONS IN ATOMS 16. List the number of orbitals contained in the following sublevels: a- s 1 dizltHU b. p 3 tfL/U'hJs c. d d. f — 17. How many electrons can occupy the following sublevels? a- b- P C e." c- d I d. f /4 18. Write electron configurations for these elements: B I S3" ZS 2_p I c- Ne (S7- d. K Is s -f^. owi,, -kbte i’s cM 29. Wiry is Mendeleev's table taote called caned periodic? Ml ' i