Correct Answer: Option A

Explanation

Neutral Be has 4 electrons but \(Be^{2+}\) means it has lost two electrons from possible four and became a positive ion. 

\(\therefore\) the number of electrons left will be equal to two.

• In electrovalency, the valence electrons are transferred and the atomic number is (a) Also stabilized (b) stabilized (c) unaffected (d)... Answer this

  3 Answers   ·   Chemistry   ·   18 hours ago
• I have been trying to use the myschool app but it is asking me to verify my email I tried... Answer this

  0 Answers   ·   30 minutes ago
• Does JAMB repeat questions for English comprehension? Like do they repeat comprehension passages? Also I'm writing my JAMB tomorrow and... Answer this

  11 Answers   ·   19 hours ago