Answer: boron

AnswerCrossword Clue
BORONElement with a low atomic number that is not found naturally on Earth
BORONMetalloid element.
BORONChemical element
BORONElement
BORONNonmetallic element
BORONElement important in nucleonics
BORONElement used in metallurgy
BORONAn element
BORONKernite component
BORONElement in colemanite
BORONElement with the symbol B
BORONA metalloid
BORONGroup 13 member, in chemistry
BORONUlexite is rich in it
BORONElement used for shielding nuclear reactors
BORONB, to scientists
BORONElement.
BORONElement in Pyrex
BORONElement with symbol "B"
BORONElement number five
BORONNonmetallic chemical
BORONElement no. 5
BORONElement in cleansing agents
BORONElement 5
BORONNatural semiconductor
BORONElement next to carbon on the periodic table
BORONFirst of the metalloids
BORONElement that burns with a green flame
BORONElement before carbon on the periodic table
borona non-metallic element
boronnonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds. Symbol: B; at. wt.: 10.811; at. no.: 5
BORON...carbide
BORONElement No. 5
BORONB in chemistry
BORONElement used in abrasives
BORONElement used in enamel manufacturing
BORONElement used in glass production
BORONB on a table
BORONElement discovered in 1812
BORONIt precedes carbon on the periodic table