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Thesaurus: atomic number 4
a light strong brittle grey toxic bivalent metallic element
Related headwords
bivalentdefinitionbrittledefinitionelementdefinitiongreydefinitionlightdefinitionmetallicdefinitionstrongdefinitiontoxicdefinitionatomicfamilyatomic bombfamilyatomic clockfamilyatomic cocktailfamilyatomic energyfamilyAtomic Energy Commissionfamilyatomic explosionfamilyatomic massfamilyatomic mass unitfamilyatomic numberfamilyatomic number 1familyatomic number 10familyatomic number 100familyatomic number 101familyatomic number 102familyatomic number 103familyatomic number 104familyatomic number 105familyatomic number 106familyatomic number 107family