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Name the first twenty elements by looking at their symbols
Refer to book
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What are some of the properties of metals, non metals and metalloids? Provide examples for each
- Metals
- Malleable
- Hard
- Shiny (have lustre)
- They are good conducters of electricity generally.
- Gold, Silver, Zinc, Uranium
- Non- metals
- Don't conduct heat or electricity well
- Usually brittle and cannot be moulded into many shapes.
- Hydrogen, Carbon
- Metalloids
- Metalloids can be referred to as semi- metals as they display characteristics of both non- metals and metals. They insulate and conduct electricity.
- Boron, Silicon
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Mentally colour in the periodic table. Colour in metals, semi- metals and non- metals
Refer to book
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What is the difference between physical change and chemical change?
- A physical change is reversible as it only rearrange the atoms whereas a chemical change is irreversible as it results in the formation of new substance.
- Example, physical- melting ice
- Example, chemical- burning wood
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Draw a model to distinguish between elements and compounds
Refer to internet
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Define solute, solvent and solution. Provide example.
- The solute dissolves into the solvent in order to make a solution
- E.g: Fizzy water, syrup and salt water
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What is a mixture?
A substance containing different substances randomly.
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