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Answered

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Write the full atomic symbol for each isotope:
(a) 8 protons, 9 neutrons
(b) Atomic number 50, mass number 119
(c) 12 neutrons, atomic number 11
(d) 28 protons, mass number 58
(e) 81 neutrons, symbol Ba

Sagot :

EP0NA

Answer:

a) Oxygen-17

b) Tin-119

c) Sodium-23

d) Nickel-58

e) Barium-137

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