A. Atom B. Molecule C. Cell D. Organ 相关知识点: 试题来源: 解析 A。解析:原子(Atom)是物质的最小单位。分子(Molecule)由原子组成;细胞(Cell)是生物体的基本结构和功能单位;器官(Organ)是由细胞和组织构成的。从语法上这是关于物质基本单位的特殊疑问句,选项为不同物质或生物结构名称。反馈...
What is an atom in a molecule? J Phys Chem A The derivation of the Hirshfeld atoms in molecules from information theory is clarified. The importance for chemistry of the concept of atoms in molecules (AIM) is stressed, and it is argued that this concept, while highly useful, consti... ...
"Every type of atom or molecule, whether it's atomic hydrogen or a molecule like carbon dioxide, absorbs and radiates its own unique set of colors, which is analogous to how every human being has a unique set of fingerprints," Teets told Space.com. "Some of the dominant colors seen in...
and can be considered an individual particle. Whether a particle consists of only one type of atom or a variety of different atoms, it is still considered a molecule. There are small molecules and large molecules, ranging
Instantaneous dipolesare temporary dipoles. Inside an atom, electrons revolve around the nucleus in fixed paths, but their motion is random. Sometimes, these electrons become more concentrated in one particular region than in another. This gives rise to an instantaneous or temporary dipole. The mecha...
Oxidation and oxidisation essentially describe the same chemical reaction process, where an atom, molecule, or ion loses electrons. This process is central to various chemical and biological systems, including combustion, rusting, and cellular respiration. The primary difference between the two terms ...
An atom of gold is bigger and heavier. Split it open and you'll find 79 protons and 118 neutrons in the nucleus and 79 electrons spinning round the edge. The protons, neutrons, and electrons in the atoms of iron and gold are identical—there are just different numbers of them. In ...
The chemical structure of water makes it an excellent medium for life.Water is actuallyquite simple,bus the way the water molecule is formed gives water its unique properties.The water molecule is made up of two hydrogen atoms and ane oxygen atom.They form a polarmolecule...
This latter is a naturally abundant organic coordination molecule with the chemical structure of C6H18O24P6 in which each phosphate group, characterizing the molecule, is connected to a carbon atom of the cyclo-hexamehexol ring [95]. Thanks to its non-toxicity, biocompatibility and environmental...
Quantum computing is a new approach to calculation that uses principles of fundamental physics to solve extremely complex problems very quickly.