Hydrogen reacts with fluorine to form hydrogen fluoride.
H−H+F−F→2H−F \text{H}-\text{H} + \text{F}-\text{F} \rightarrow 2\text{H}-\text{F} H−H+F−F→2H−FThe symbol −-− is used to show a covalent bond.
The electronic configuration of hydrogen is 1.
The electronic configuration of fluorine is 2.7.
Draw a dot-and-cross diagram for a molecule of hydrogen fluoride, HF\text{HF}HF. Show outer electrons only.
