Frequently Asked Questions about Boron
What is the atomic number of boron?
Boron has an atomic number of 5, meaning each atom contains 5 protons in its nucleus.
What is the atomic mass of boron?
The standard atomic weight of boron is 10.81 u (unified atomic mass units).
What category does boron belong to?
Boron is classified as a metalloid.
What is the state of boron at room temperature?
Boron is a solid at 20 °C (68 °F).
What is the melting point of boron?
The melting point of boron is 2076.85 °C / 2350 K.
What is the boiling point of boron?
The boiling point of boron is 3999.85 °C / 4273 K.
What is the density of boron?
The density of boron is 2.34 g/cm³ (20°C).
What is the electronegativity of boron?
Boron has a Pauling electronegativity of 2.04.
What is the electron configuration of boron?
The electron configuration of boron is [He] 2s2 2p1.
What are the common oxidation states of boron?
Boron commonly exhibits the following oxidation states: +3.
When was boron discovered?
Boron was discovered in 1808 by Joseph Louis Gay-Lussac, Louis Jacques Thénard, and Humphry Davy.
Is boron radioactive?
Boron is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of boron?
Essential for plant growth; role in animals is less clear.
What are the common uses of boron?
Boron is used for: Borosilicate glass; Detergents; Flame retardants; Pyrotechnic flares; Neutron absorbers.
