2. ^^**A student rubs a plastic rod with a cloth. The rod becomes positively charged. What has happened to the rod?**^^
It has lost electrons
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^^…^^
B
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==__**II. Complete the following statement.**__==
%%An atom is electrically……….. To make an atom charged, ………… have to be added or removed. Unlike charges…………. and ………… charges repel.%%
neutral, electron, attract, like
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==**What charge do each of the following have? a) **__**Proton**__==
Positive
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==**What charge do each of the following have?**==
==**b)** __**Neutron**__==
No charge
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==**What charge do each of the following have?**==
==**c)** __**Electron**__==
Negative
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==**Ball Q**==
negative
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==**Ball R**==
Positive
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%%**(ii) Explain your answer for part (i) for the charge on ball Q.**%%
Ball Q is repelled by the negative charge on ball P. So Q has the same charge as on P
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==**The rod becomes negatively charged because………..move from the…….. to the rod.**==
Electrons, cloth
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%%(ii) The student moves the rod close to a suspended, charged rod. The two rods repel each other. State the type of charge on the suspended rod.%%
negative
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==**(iii) Explain your answer to (a)(ii).**==
Like charges repel each other
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==**(b) A device has a metal case. Any charge on the case must be able to move to earth. (i) Draw one ring around a material that is suitable for the connection to earth.**==
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