Boron is the chemical element with atomic number 5, symbol B
Boron is the chemical element with atomic number 5, symbol B Boron is the head of group 13 of the periodic table. Along with lithium and beryllium, it is one…
Carbon is the chemical element with atomic number 6 and symbol C
Carbon is the chemical element with atomic number 6 and symbol C Carbon has several types of allotropes, the most famous of which are graphite, diamond, and amorphous carbon. The…
Nitrogen is the chemical element with atomic number 7, symbol N (from Latin nitrogenium)
Nitrogen is the chemical element with atomic number 7, symbol N (from Latin nitrogenium) Nitrogen is the head of the group of pnictogens. In everyday language, nitrogen designates the simple…
Barium is the chemical element with atomic number 56, symbol Ba
Barium is the chemical element with atomic number 56, symbol Ba Barium oxide was discovered in 1774 by Carl Wilhelm Scheele in manganese dioxide ores. It was isolated in 1808…
Radium is the chemical element with atomic number 88, symbol Ra
Radium is the chemical element with atomic number 88, symbol Ra Radium is perfectly white in appearance but darkens when exposed to the open air. Radium is an alkaline earth…
Francium is a chemical element with the symbol Fr and atomic number 87
Francium is a chemical element with the symbol Fr and atomic number 87 Francium, known for a time as eka-cesium and actinium K, is the chemical element with atomic number…
Beryllium is a chemical element with the symbol Be and atomic number 4
Beryllium is a chemical element with the symbol Be and atomic number 4 In the periodic table, Beryllium the first representative of the alkaline earth metals. The name beryllium comes…
Caesium is the chemical element with atomic number 55, symbol Cs
Caesium is the chemical element with atomic number 55, symbol Cs Under standard conditions, the single caesium or cesium body is a soft, ductile metal, white or silver to gold.…
Helium is the chemical element with atomic number 2, symbol He
Helium is the chemical element with atomic number 2, symbol He Helium it is a noble gas (or rare gas), practically inert, the first of the noble gas family in…
Rubidium is the chemical element with atomic number 37, symbol Rb
Rubidium is the chemical element with atomic number 37, symbol Rb Rubidium is an alkali metal, soft and silvery, with a melting point of only 39.3 °C (102.74 °F). It…