Which of the following has a charge of +1 and a mass of 1 amu ?A A neutron B A proton C An electron D A helium nucleus
Question
Which of the following has a charge of +1 and a mass of 1 amu ?A A neutron B A proton C An electron D A helium nucleus
Solution
The correct answer is B. A proton. Protons have a charge of +1 and a mass of approximately 1 atomic mass unit (amu).
Here's a brief explanation:
A. Neutrons have no charge and a mass of 1 amu. B. Protons have a charge of +1 and a mass of 1 amu. C. Electrons have a charge of -1 and a very small mass (0.0005 amu). D. A helium nucleus consists of 2 protons and 2 neutrons, so it has a charge of +2 and a mass of 4 amu.
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