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PES Skill Sheets.book - Capital High School

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<strong>Skill</strong> Sheet 13.1: Dot Diagrams<br />

Part 1 answers: Part 2 answers:<br />

Element Chemical Total No. of Valence Dot Diagram Elements Dot Diagram for Each Dot Diagram for<br />

Symbol Electrons Electrons<br />

Element Compound Formed<br />

Potassium K 19 1<br />

Chemical<br />

Formula<br />

Na and F NaF<br />

Nitrogen N 7 5<br />

Carbon C 6 4<br />

Beryllium Be 4 2<br />

<strong>Skill</strong> Sheet 13.2: Finding the Least Common Multiple<br />

1. 21<br />

2. 24<br />

3. 45<br />

4. 50<br />

5. 80<br />

Neon Ne 10 8<br />

Sulfur S 16 6<br />

6. 147<br />

7. 108<br />

8. 315<br />

9. 880<br />

10. 192<br />

<strong>Skill</strong> Sheet 13.2: Chemical Formulas<br />

Answers:<br />

Element Oxidation No. Element Oxidation No. Chemical Formula for Compound<br />

Potassium (K) 1+ Chlorine (Cl) 1– KCl<br />

<strong>Skill</strong> Sheet 13.2: Naming Compounds<br />

Page 33 of 57<br />

Br and Br Br 2<br />

Mg and O MgO<br />

Calcium (Ca) 2+ Chlorine (Cl) 1– CaCl2 Sodium (Na) 1+ Oxygen (O) 2– Na2O Boron (B) 3+ Phosphorus (P) 3– BP<br />

Lithium (Li) 1+ Sulfur (S) 2– Li2S Aluminum (Al) 3+ Oxygen (O) 2– Al 2 O 3<br />

Beryllium (Be) 2+ Iodine (I) 1– BeI 2<br />

Calcium (Ca) 2+ Nitrogen (N) 3– Ca3N2 Sodium (Na) 1+ Bromine (Br) 1– NaBr<br />

Combination Compound Name Compound Name Chemical Family<br />

Al + Br aluminum bromide 1–<br />

Si + C2H3O2 silicon acetate<br />

Be + O beryllium oxide Lipase enzymes<br />

K + N potassium nitride Methanol alcohols<br />

2–<br />

Ba+CrO4 barium chromate Formic Acid organic acids<br />

Cs + F cesium fluoride Butane alkanes<br />

1+<br />

NH3 +S ammonium sulfide Sucrose sugars<br />

Mg + Cl magnesium chloride Acetone ketones<br />

B + I boron iodide Acetic Acid organic acids<br />

2–<br />

Na+SO4 sodium sulfate Compound Name Chemical Family

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