Physics
01.11.2021 19:19
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What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons
What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons
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yedida
4,4(6 marks)
Mass number = no. of protons + no. of neutrons
so, it would be, 3+4 = 7
jaylanwest12
4,8(83 marks)
B)
Explanation:
Negative (-) charge M will not move towards negative (-) charge K because, same charges will not attract each other in the given case
Negative (-) charge at the M tends to move towards positive (+) charge L in the direction of B) because opposite charges attract each other.
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