Year 8 Homework 12/1/22 OALH
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Last updated almost 4 years ago
13 questions
1
Draw the electron configuration of a sodium atom.
Draw the electron configuration of a sodium atom.
1
In chemical reactions...
In chemical reactions...
1
An exothermic reaction is one that takes energy in from its surroundings.
An exothermic reaction is one that takes energy in from its surroundings.
1
An example of uses of exothermic reactions are…
An example of uses of exothermic reactions are…
1
An endothermic reaction is a reaction that takes energy in from its surroundings
An endothermic reaction is a reaction that takes energy in from its surroundings
1
An example of an endothermic reaction is...
An example of an endothermic reaction is...
1
Explain how you can tell if an experiment is exothermic or endothermic using a thermometer.
Explain how you can tell if an experiment is exothermic or endothermic using a thermometer.
1
What do the symbols (s), (l), (g) and (aq) stand for?
What do the symbols (s), (l), (g) and (aq) stand for?
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
(s) | arrow_right_alt | Solid |
(g) | arrow_right_alt | Liquid |
(aq) | arrow_right_alt | Gas |
(l) | arrow_right_alt | Aqueous |
1
How do we represent chemical reactions?
How do we represent chemical reactions?
1
Where do we write the reactants?
Where do we write the reactants?
1
Where do we write the products?
Where do we write the products?
1
Write the word equation for the reaction between Iron and Oxygen
Write the word equation for the reaction between Iron and Oxygen
1
Complete the symbol equation for the reaction: copper + oxygen ---> copper oxide
Complete the symbol equation for the reaction: copper + oxygen ---> copper oxide