Question #d6d20

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IDKwhatName
Aug 10, 2017

Helium nucleus has 2 neutrons and 2 protons.

#m_p~~1.67*10^(-27)kg#
#m_n~~1.67*10^(-27)kg#

The values for #m_p# and #m_n# are only similar for the first two decimal places, from thereon, they vary,where aneutron is slightly heavier.

#m_e~~9.11*10^(-31)#

#"Number of electrons needed" = (2p+2n)/(ae) -= (4(1.67*10^(-27)))/(9.11*10^(-31))=7332.60154~~7333" electrons"#

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