a) Complete this table for the three particles in an atom - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Question 2
a) Complete this table for the three particles in an atom.
The first row has been done for you.
| particle name | charge | mass / mass unit |
| ------... show full transcript
Worked Solution & Example Answer:a) Complete this table for the three particles in an atom - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Step 1
a) Complete this table for the three particles in an atom.
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Answer
particle name
charge
mass / mass unit
proton
+1 (positive)
1
neutron
0 or zero / none or neutral
1/1836
electron
-1 or negative
1/1836
Step 2
b) (i) Describe how you could show that the rod is charged.
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Answer
To demonstrate that the rod is charged, you could bring the charged rod near to some small pieces of paper. If the rod is charged, the pieces of paper will be attracted to the rod. Alternatively, you could hold the rod close to a neutral object, and you might observe that the object either moves towards the rod or moves away, indicating an interaction of electric charge.
Step 3
b) (ii) The plastic rod becomes positively charged.
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