Question

The magnitude of charge on the electron is 4.8x10^-10 esu. What is the charge on the nucleus of a helium atom

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

The magnitude of the charge on the electron is 4.8x10^-10 esu. The charge of the nucleus of a helium atom is $9.6*10^{-10}esu$

Explanation:

• The helium atom is constituted by two protons and two neutrons in the nucleus and two electrons are revolving around the nucleus.

• The charge of a proton is equal to the charge of an electron but the sign is opposite, that is  $+e$, and neutrons are neutral

• so the charge of the helium nucleus is equal to the number of protons multiplied by the charge of one proton, that is  $+2e$

From the question, it is given that

the charge of the electron $e=4.8*10^{-10}esu$

therefore the charge  of the helium nucleus is $+2e=+2*4.8*10^{-10}=+9.6*10^{-10}esu$