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Elements

• 61
• ChemicalElements.com: Bohrium
• Basic information, atomic structure, and isotopes.

• 62
• It's Elemental: Bohrium
• Basic physical and historical information.

• 63
• WebElements: Bohrium
• Information on history, isolation, and properties.

• 64
• ChemicalElements.com: Boron
• Basic information, atomic structure, and table of isotopes.

• 65
• It's Elemental: Boron
• Basic physical and historical information.

• 66
• USGS Minerals Information: Boron
• Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).

• 67
• WebElements: Boron
• Extensive information on history, uses, occurrence, compounds, and properties of the element.

• 68
• Wikipedia: Boron
• Properties of the element, including its history, applications, and characteristics.

• 69
• ChemicalElements.com: Bromine
• Basic information, atomic structure, and isotopes.

• 70
• It's Elemental: Bromine
• Basic physical and historical information.

• 71
• USGS Minerals Information: Bromine
• Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).

• 72
• WebElements: Bromine
• Extensive information on history, uses, occurrence, compounds, and properties of the element.

• 73
• Wikipedia: Bromine
• Properties of the element, including its history, applications, and characteristics.

• 74
• ChemicalElements.com: Cadmium
• Basic information, atomic structure, and isotopes.

• 75
• It's Elemental: Cadmium
• Basic physical and historical information.

• 76
• USGS Minerals Information: Cadmium
• Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).

• 77
• WebElements: Cadmium
• Extensive information on history, uses, occurrence, compounds, and properties.

• 78
• Wikipedia: Cadmium
• Properties of the element, including its history, applications, and characteristics.

• 79
• ChemicalElements.com: Calcium
• Basic information, atomic structure, and isotopes.

• 80
• It's Elemental: Calcium
• Basic physical and historical information.