Writing Ionic Formulae and Covalent Molecular Formulae
Task 1 Practical Activity - Detecting Ionic and Molecular Compounds by indirect Observation
Text page 20
Prepare for this laboratory work by writing;
Prepare for this laboratory work by writing;
- Heading
- Purpose
- Procedure - Draw figure1.2.9
- Results - prepare a results table
- Discussion
- Write a Conclusion
Task 2 Formula Quiz Left Side (Output)
1. Explain why a current flowing through a solution indicates the presence of ions.
2. How do explain the phenomenon when no current flows through a solution?
3. During class you have made at least two ionic compounds;
4. During class you have worked with molecular elements and compounds;
2. How do explain the phenomenon when no current flows through a solution?
3. During class you have made at least two ionic compounds;
- magnesium oxide and
- sodium hydroxide.
- copper sulphate
- sodium chloride
- calcium nitrate
- barium chloride
4. During class you have worked with molecular elements and compounds;
- hydrogen gas
- water
- oxygen gas
- sucrose, made of carbon, hydrogen and oxygen
- carbon dioxide
- methane, made of carbon and hydrogen
Task 3 Writing Ionic and Covalent Formula and Naming Compounds (and Elements)
5_formulae_writing.docx | |
File Size: | 78 kb |
File Type: | docx |
Task 3 The Rules
Covalent Molecular substances
Summarise and learn the rules for naming and writing molecular formulae.
Ionic Compounds
Summarise and learn the rules for naming and writing ionic formulae.
Summarise and learn the rules for naming and writing molecular formulae.
- Name the following molecules that are made of non-metal atoms only - see board.
- Use the name of the covalent molecules to write their correct formulae. - see board.
Ionic Compounds
Summarise and learn the rules for naming and writing ionic formulae.
- Complete the table to produce the correct formula for each of the named ionic compounds - see board.
- Use the name of the covalent molecules to write their correct formulae. - see board.