Tutorial 1 - a. 31 P b. 40 Ca c. 19 F-d. 14 C 4+ e. 25 Na...

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Chemistry 1R03 Tutorial #1 - Questions 1. In Rutherford’s gold foil experiment, what observations indicated that there must be a nucleus? How did the results of the experiment demonstrate that protons must be located within the nucleus? 2. Complete the following chart: Chemical Formula Chemical Name Total Number of Atoms Number of Each type of atom Pb(NO 3 ) 2 Lithium fluoride N 2 O 4 (NH 4 ) 2 SO 4 Mg – 1 C – 1 O – 3 3. A first-year chemistry student provides you with the following information on an atom. 108, 47. Unfortunately, they didn’t indicate what the numbers represented. Which number represents the atomic number and which represents the atomic mass? Explain how you know. What element has these values? 4. Draw a Bohr-Rutherford diagram for the following:
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Unformatted text preview: a. 31 P b. 40 Ca c. 19 F-d. 14 C 4+ e. 25 Na Chemistry 1R03 Tutorial #1 - Questions 5. Write the chemical formulae for the following ionic compounds: a. Copper (II) chloride b. Sodium phosphide c. Magnesium sulfide d. Beryllium acetate e. Lead (III) persulphate f. Potassium bicarbonate g. Aluminum hypophosphite h. Stannous nitride 6. Name the following ionic compounds: a. Rb 2 S b. Ca(HSO 4 ) 2 c. Ga 2 O 3 d. Sn(SO 4 ) 2 e. SrF f. BN 7. Why are the noble gases considered unreactive? Relate this back to their atomic structure 8. Explain why some compounds are named using roman numerals while others arent. 9. What is an isotope and explain one use of isotopes in the real world....
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Tutorial 1 - a. 31 P b. 40 Ca c. 19 F-d. 14 C 4+ e. 25 Na...

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