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Question
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
Solution
(a) The symbol of an electron is e–.
(b) The symbol of a proton is p+.
(c) The symbol of a neutron is n.
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| 3. Chadwick | c.The atomic theory of matter |
| 4. Rutherfrod | d. Positively charged |
| 5. Protons | e. Electricity neutral |
| 6. Nuclear fusion | f. Generator of electricity |
| 7.Gamma -rays | g. High penetrating power |
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