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Y 9 Chemistry. Homework 8 April. Select short report on a chemical problem issue Select 3 words and make a glossary of terms Write 3 Comprehension questions Gmail : Drhillteach@gmail.com. Example. Review of rules. Ionic make ions of Nobel gases – ionic crystal - PowerPoint PPT Presentation
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Y 9 Chemistry
Homework 8 April
• Select short report on a chemical problem issue
• Select 3 words and make a glossary of terms• Write 3 Comprehension questions• Gmail : Drhillteach@gmail.com
Example
Review of rules
• Ionic make ions of Nobel gases – ionic crystal• Covalent share by overlap – shaped molecule,
macro molecule
Mass conservation – R&V
• Mass conserved because atoms don’t disappear or are appear
• Validity – fair and correct procedure that measures what you think
• Reliability – quality of answer, how repeatable• Need to know dependant and independent.
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