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Boron

Boron is a chemical element originated from the Arabic ‘buraq’, which was the name for borax. It was first mentioned in 1808 and observed by L. Gay-Lussac and L.J. Thénard. The isolation was later accomplished and announced by H. Davy. “B” is the canonical chemical symbol of boron. Its atomic number in the periodic table of elements is 5 with the location at Period 2 and Group 13, belonging to the p-block. The relative atomic mass of boron is 10.811(7) Dalton, the number in the brackets indicating the uncertainty.

Aluminum

Aluminum, also called aluminum, is a chemical element originated from the Latin name for alum, ‘alumen’ meaning bitter salt. It was first mentioned in 1825 and observed by H.C.Ørsted. The isolation was later accomplished and announced by H.C.Ørsted. “Al” is the canonical chemical symbol of aluminum. Its atomic number in the periodic table of elements is 13 with the location at Period 3 and Group 13, belonging to the p-block. The relative atomic mass of aluminum is 26.9815386(8) Dalton, the number in the brackets indicating the uncertainty.