Schraff492
Schraff492
28-06-2015
Chemistry
contestada
How do you know if a element is neutral?
Respuesta :
interlucent
interlucent
28-06-2015
When the neutrons and electrons are the same. For example, sodium (Na) has an atomic mass of 11, meaning it has 11 protons and 11 electrons etc.
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