The possessive form for the noun antenna is antenna's.
HF molecules form hydrogen bonds.
Yes, it can.
Antenna
Antennae or antennas are both acceptable. The Latin form is the -ae form/
Single replacement. The F2 replaces Cl to form HF and Cl2.
Antennae
HCN
HF
The singular form for antennae is antenna. You are welcome :)
In my 89 you need to remove the wheel and the inside wheel housing, to get full access to the antenna.
There are so many such compounds as H2O, HF.