2009720b 2009720b

18-11-2020
Chemistry

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Help please
7. 0-2 is isoelectronic with
a. Helium
b. Neon
c. Argon
d. Krypton

Respuesta :

quasarJose quasarJose

18-11-2020

Answer:

b. Neon

Explanation:

Problem;

O²⁻ is isoelectronic with which noble gas;

The ion of oxygen give is one that has gained two electrons.

Atom of oxygen = 2, 6

gaining two electrons;

O²⁻ = 2, 8

Neon is also 2, 8

So O²⁻ is isoelectronic with neon

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