UPRA Exame De Acesso Practice Questions - Universidade Privada De Angola University Entrance Examination (Exames De Acesso UPRA) Exam

Which of the following elements has the electronic configuration 1s^2 2s^2 2p^6 3s^2 3p^4 in its ground state?

Oxygen (Oxigénio - O, Z = 8) Sulfur (Enxofre - S, Z = 16) Silicon (Silício - Si, Z = 14) Argon (Árgon - Ar, Z = 18)

Correct Answer:

Sulfur (Enxofre - S, Z = 16)

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