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