calculate the number of electrons ,protons and nutrons in an atom of an element with atomic number 20 and mass number 40
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Answered by
2
electrons and protons = 20
neutrons = 20
neutrons = 20
Answered by
3
atomic no is -no of protons=no of electrons so protons and electrons are both 20and mass number is protons+neutrons so40-20=20
SAHARSHA18:
can you tell electronic configuration
it is 2,8,8,2
electronic configuration
thank you
yes and the name of element is sodium
welcome
no it is calcium
sorry
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