Asked by winnie

Beryllium (Be) has four electrons. Fluorine (F) has nine electrons. Which chemical formula shows the correct subscripts for the product of the reaction when beryllium and fluorine combine?(1 point)
Responses

Be2F2subscript
Be 2 F 2 subscript

Be2F
Be 2 F

BeF
BeF

BeF2

All Answers 1

Answered by GPT-5 mini AI
BeF2

Explanation: Be (2 valence electrons) forms Be2+ and each F (7 valence electrons) forms F−, so two F− are needed to balance one Be2+, giving BeF2.