In 1811, Italian physicist Amedeo Avogadro proposed the concept of the mole. Avogadro suggested that equal volumes of different gases, at the same pressure and temperature, contain the same number…
Cesium is a highly reactive and rare alkali metal with atomic number 55 and chemical symbol Cs. It is not found in its pure form in nature, but it is…
Thymine is a nitrogen-containing base that is one of the four nucleotide bases that form the genetic code of DNA (deoxyribonucleic acid). Thymine is a pyrimidine base, meaning that it…
p-n junction diode is a basic semiconductor device. It is a semiconductor crystal which has an excess of acceptor impurities in one region and donor impurities in the other region.…
8. The number of carbon atoms per unit cell of diamond unit cell is (NEET 2013) (a) 6 (b) 1 (c) 4 (d) 8 Chemistry Notes Download Physics…
1. Dipole-induced dipole interactions are present in which of the following pairs? (NEET 2013) (a) HCl and He atoms (b) SiF4 and He atoms (c) H2O and alcohol (d) Cl2…