A monatomic ion with a 2- charge has the electron configuration 1s22s22p6. (a) What neutral noble-gas...

Question

Question

A monatomic ion with a 2- charge has the electron configuration 1s22s22p6.

(a) What neutral noble-gas atom has the same electron configuration?

(b) What is the monatomic ion with a 2- charge that has this configuration?

(c) Write the symbol of an ion with a 1+ charge that is isoelectronic with the species in (a) and (b).

science chemistry

Answer 1

Answer #1

a) answer : Ne (neon)

b) answer : (O^2-) oxide ion

c) answer : Na⁺ (sodium ion)

explanation:

total electron = 2 + 2 + 6 = 10 . atomic number 10 noble gas is Ne. these all ions and atoms have same number of electrons.

Answer 2

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