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Which of the following places the elements in the correct order of increasing first ionization energy?

A) Ca, Mg, Be

B) F, O, N

C) Li, Na, K

D) Si, P, S

Respuesta :

scme1702
A) Ca, Mg, Be
The first ionization energy increases as we move up a group because of the smaller atomic size and less shielding of electrons.
JBoyStudios

A) Ca, Mg, Be

:) Have a nice day

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