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10. What is the mass number, symbol, and
charge of an ion that contains 87 protons,
136 neutrons and 86 electrons?​

Respuesta :

Calebchujor480

Answer:

the element is radon is symbol is RN if charge is + 2 and its mass number is 86 I guess I've helped you

Trancescient

Explanation:

mass number = sum of protons and neutrons

= 87 + 136

= 223

chemical symbol = Fr

ion charge = +1 (because it has one more proton than electron)

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