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If number of protons i the nucleus of Ca is 20, What is the number of electrons of the atom? *
40 electrons 20 electrons 21electrons 10 electrons​

Respuesta :

emsangwa28

Answer:

it 20 electrons

Explanation:

the atomic number is the number of protons in atom of an element atoms have no electrical charge meaning that there must be a balance between the positive charged protons the negative charged electrons atoms have equal numbers of protons and electrons

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