Johnny
Grade 10 Review For Final Exam - Solutions
CHEMISTRY – CHEMICAL PROCESSES
QUESTIONS
1. Briefly describe the tests for the following gases: (a) carbon dioxide turns limewater milky - precipitates (b) oxygen causes glowing splint to re-ignite (c) hydrogen causes burning splint to produce a pop sound.
2. Sketch a periodic table and label the main regions of the table. See pg 184
3. Draw Bohr diagrams for the following atoms: (a) boron (b) sulphur (c) calcium.
[pic]
4. How many protons, neutrons, and electrons, do the following particles have: (a) C, (b) Fe, (c) Cl-1, (d) Ca+2, (e) N-3?
[pic]
5. Use Bohr diagrams or Lewis dot diagrams to show how an ionic bond forms between sodium and chlorine.
[pic]
6. Use Bohr diagrams or Lewis dot diagrams to draw the molecules produced when the following atoms join with each other: (a) fluorine joining with fluorine;; (b) carbon joining with hydrogen; (c) oxygen joining with hydrogen; (e) nitrogen joining with fluorine. In each case write the formula of the molecule produced.
(F2)
7. (a) silver oxide (b) zinc fluoride (c) calcium chloride (d)strontium phosphide (e) barium iodide (f) sodium nitride (g) lead (II) chloride (h)tin(IV) fluoride (i) copper(I)sulfide (j) silver nitrate (k) lead (II) chlorate (l) calcium sulphate (m) sodium carbonate (n)copper(II)hydroxide (o) aluminum bicarbonate
8. Give the formula for the following compounds: (a) sodium oxide Na2O (b) calcium nitride Ca3N2 (c) lithium iodide LiI (d) potassium phosphide K3P (e) aluminum nitride AlN (f) sodium fluoride NaF (g) iron(II) bromide FeBr2 (h) copper(I) nitride Cu3N (i) lead(II) oxide PbO (j) magnesium carbonate MgCO3 (k) tin(II) nitrate Sn(NO3)2 (l) lead(IV) chlorate Pb(ClO3)4 (m) potassium sulphate K2SO4 (n) calcium hydrogen carbonate Ca(HCO3)2 (o) calcium phosphate
CHEMISTRY – CHEMICAL PROCESSES
QUESTIONS
1. Briefly describe the tests for the following gases: (a) carbon dioxide turns limewater milky - precipitates (b) oxygen causes glowing splint to re-ignite (c) hydrogen causes burning splint to produce a pop sound.
2. Sketch a periodic table and label the main regions of the table. See pg 184
3. Draw Bohr diagrams for the following atoms: (a) boron (b) sulphur (c) calcium.
[pic]
4. How many protons, neutrons, and electrons, do the following particles have: (a) C, (b) Fe, (c) Cl-1, (d) Ca+2, (e) N-3?
[pic]
5. Use Bohr diagrams or Lewis dot diagrams to show how an ionic bond forms between sodium and chlorine.
[pic]
6. Use Bohr diagrams or Lewis dot diagrams to draw the molecules produced when the following atoms join with each other: (a) fluorine joining with fluorine;; (b) carbon joining with hydrogen; (c) oxygen joining with hydrogen; (e) nitrogen joining with fluorine. In each case write the formula of the molecule produced.
(F2)
7. (a) silver oxide (b) zinc fluoride (c) calcium chloride (d)strontium phosphide (e) barium iodide (f) sodium nitride (g) lead (II) chloride (h)tin(IV) fluoride (i) copper(I)sulfide (j) silver nitrate (k) lead (II) chlorate (l) calcium sulphate (m) sodium carbonate (n)copper(II)hydroxide (o) aluminum bicarbonate
8. Give the formula for the following compounds: (a) sodium oxide Na2O (b) calcium nitride Ca3N2 (c) lithium iodide LiI (d) potassium phosphide K3P (e) aluminum nitride AlN (f) sodium fluoride NaF (g) iron(II) bromide FeBr2 (h) copper(I) nitride Cu3N (i) lead(II) oxide PbO (j) magnesium carbonate MgCO3 (k) tin(II) nitrate Sn(NO3)2 (l) lead(IV) chlorate Pb(ClO3)4 (m) potassium sulphate K2SO4 (n) calcium hydrogen carbonate Ca(HCO3)2 (o) calcium phosphate