Y 9 chemistry
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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 : [email protected] Example. Review of rules. Ionic make ions of Nobel gases – ionic crystal

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Y 9 Chemistry

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Y 9 chemistry

Y 9 Chemistry


Homework 8 april

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 : [email protected]


Example

Example


Review of rules

Review of rules

  • Ionic make ions of Nobel gases – ionic crystal

  • Covalent share by overlap – shaped molecule, macro molecule


Mass conservation r v

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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