Answer;
-Beryllium selenide
Explanation;
-The chemical name of the compound produced by the reaction is Beryllium selenide.
Beryllium reacts with Selenium to form Beryllium Selenide according to the equation;
Be(s) + Se = BeSe (s)
The Beryllium selenide molecule contains a total of 1 bond(s). There are 1 non-H bond(s), 1 multiple bond(s) and 1 double bond(s).