Half Equations Flashcards
1
Q
How to write half equation of a positive ion?
A
Write down the ion Leave a gap and draw an arrow Write the atom on the right hand side Is your atom H, O, N or group 7 How many electrons does it need to no longer have a charge
2
Q
How to write half equation of a negative ion?
A
Write down ion Leave a gap and draw an arrow Write the atom on the right hand side Is your atom H, O, N, or group 7? How many electrons does it need to no longer have a charge?
3
Q
What is electroplating?
A
Coating something in a thin layer of metal, eg gold or copper. The metal object is positively charged
4
Q
Why is electroplating useful?
A
It is useful for protection against corrosion. Also it is visually appealing.
