How many electrons are present in 9//4Be2+? by Sunday | Dec 10 | Chemistry WAEC | 0 comments A. 2 B. 4 C. 5 D. 6 Correct Answer: Option A A. 2 Users Also Read These:The present ages of Chukwuemeka and Ikechukwu are 6…The electronic configuration of an element is 1S²…If the charge on an object is measured as 4.0 x…The nucleon number and the proton number of a…How many unpaired electrons are there in an atom of…