Bicycle, Bivalve, biathlon, bifocal, Bituminous.
· biology
bicycle
The answer is "bisect". It's kind of tricky with words that start with "bi".
bibbicyclebickerbikerbistrobillbillfoldbillowbiographybiologicalbiologybishopbirdbibliographybicepbibulousbiasbiasedbicameralbicarbonatebifocalsbidbifurcatebigbigamybighorn sheepbigotbilebikinibilateralbilgebiliousbilkbillablebillboardbillfoldbillhookbingebindbiodiversitybinarybinocularsbingobirchbirthbirthdaybisectbisonbisquebismuthbirthratebirthrightbirthmarkbirthstonebiscottibitebitterbittenbittersweetbiweeklybimonthlybivouacbittybifurcatebittersbitmapbite-sizebizarre
Biannual means twice a year.
5 letter words that start with the letters sp:spacespacyspadespanksparespasmspawnspeakspearspeckspeedspellspentspermspicespicyspiedspikespillspiltspinespinyspitesplitspoilspokespoofspoolspoonsportspotsspoutsprayspunkspursspurt
· bible · biceps · bicycle · bike · biker · bikini · bill · billiards · biography · biology · bird · biretta · birth · birthday · biscuit · bishop · bison · bit · bite
Some scientific words with the prefix 'bi' are:bicepsbiconcavebiconvexbicuspidbidirectionalbifunctionalbifurcatebilateralbilinearbimodalbiologybiped, bipedalbipodbipolarbiracialbisectbisexualbivalve
Bismuth (Bi) has 5 valence electrons.
big,bill,bigger,bird,biggest,bib,bicycle,biweekly,bio,bisoet,bilingual.
Some words starting with "bi" include bicycle, biology, bit, and big.
5 valence electrons.