Respuesta :

¹⁹⁴Pt

Explanation:

If osmium-190 (76 protons) is hit with an alpha particle (He²⁺, 2 protons) platinum-194 (78 protons) is formed.

The nuclear reaction (other subatomic particles my be formed):

¹⁹⁰Os + ⁴He → ¹⁹⁴Pt

Learn more about:

nuclear reactions

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