KS3 Element, Compound or Mixture Homework Worksheet.

Answer and Explanation: Some combination of ionic compound forms precipitates while others do not because precipitate will form only in that case where the salt is insoluble in the solvent.

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KEY KEY KEY KEY KEY KEY 8 S s A. Write the formulas for the compounds formed from these elements.

For each of the following questions, determine whether the compound is ionic or covalent and write the appropriate formula for it. 11) dinitrogen trioxide N2O3. 12) nitrogen N2. 13) methane CH4. 14) lithium acetate LiC2H3O2. 15) phosphorus trifluoride PF3. 16) vanadium (V) oxide V2O5. 17) aluminum hydroxide Al(OH)3. 18) zinc sulfide ZnS.

This Homework: Naming Ionic and Covalent Compounds Worksheet is suitable for 9th - 12th Grade. For this naming ionic and covalent compounds worksheet, students name 10 chemical compounds given their formulas. They also write the formulas for 10 compounds given their chemical names.

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Preview this quiz on Quizizz. What is the correct formula of magnesium sulfide?

If you do NOT have a printer, you should grab an old periodic table (probably the s,p,d,f copy on the back of the unit 2b objectives sheet) and add these labels OR screenshot this image so you can pull it up on your phone when doing homework.

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Naming Compounds What’s it Made of? Metal and non-metal 2 non-metals 3 or more elements polyatomic compound covalent compound ionic compound USE GREEK PREFIXES Put prefixes in front of element names to tell how many atoms are there. Don’t use “mono” for first name, but always for second name. Li 2S Metal and non-metal— ionic.

Ionic Compounds: Names and Formulas Worksheet Answers 1. Write the formulas for the following compounds. a) magnesium oxide MgO b) sodium fluoride NaF c) aluminum nitride AlN d) potassium sulfide K 2 S e) lithium iodide LiI f) calcium bromide CaBr 2 g) beryllium oxide BeO h) nickel (III) chloride NiCl 3 i) magnesium nitride Mg 3 N 2.