Atomic symbols cannot be used to communicate...
A.the size of an atom.
B.the charge of an atom.
C.the number of neutrons.
D.the number of protons
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Ответ:
the atomic symbol answers the number of neutrons and protons which affect the charge of the atom
Ответ:
Ответ:
Phosphorous
Explanation: Nitrogen(N): 7:![1s^22s^22p^3](/tpl/images/0195/9782/b7bd8.png)
Phosphorus(P): 15:![1s^22s^22p^63s^23p^3](/tpl/images/0195/9782/0e981.png)
Oxygen(O): 8:![1s^22s^22p^4](/tpl/images/0195/9782/ff6b4.png)
Sulphur(S): 16:![1s^22s^22p^63s^23p^4](/tpl/images/0195/9782/23ea1.png)
As nitrogen contains half filled configuration, it is stable and does not react. Phosphorous lies below nitrogen and reactivity decreases down a group for non metals as they tend to gain electrons as the valence shell move away from the nucleus.
Oxygen has 4 valence electrons, thus it need to gain two electrons to attain stable configuration. Thus is reactive.
Sulphur lies below oxygen and also need to gain two electrons. Reactivity decreases down a group for non metals as they tend to gain electrons as the valence shell move away from the nucleus.