Piko
Answered

Westonci.ca is your trusted source for finding answers to a wide range of questions, backed by a knowledgeable community. Join our Q&A platform and connect with professionals ready to provide precise answers to your questions in various areas. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Which pair of atoms can form an ionic bond?
* Na, K (Sodium, Potassium)
* K, F (Potassium, Fluorine)
* F, Cl (Fluorine, Chlorine)
* Na, Ne (Sodium, Neon)

Sagot :

Answer: K, F (Potassium, Fluorine)

Explanation: Ionic bonds are formed by transfer of electrons between metal and non metals.

Covalent bonds are formed by sharing of electrons between non metals.

Electronic configuration of potassium:

[tex][K]:19:1s^22s^22p^63s^23p^64s^1[/tex]

Potassium atom will lose one electron to gain noble gas configuration and form [tex]K^+[/tex].

[tex][K^{+}]:18:1s^22s^22p^63s^23p^6[/tex]

Electronic configuration of fluorine:

[tex][F]:9:1s^22s^22p^5[/tex]

Fluorine atom will gain one electron to gain noble gas configuration and form [tex]F^-[/tex].

[tex][F^-]:10:1s^22s^22p^6[/tex]

In potassium fluoride the one electron from potassium metal gets transferred to fluorine atom and thus form an ionic bond to give [tex]KF[/tex]

Answer:    A

Potassium (K) and Florine  (F)

Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We're glad you chose Westonci.ca. Revisit us for updated answers from our knowledgeable team.