7 All matter is made up of atoms and molecules.(a) Describe the arrangement, separation and motion of gas molecules.arrangementseparationmotion 相关知识点: 试题来源: 解析 (a) 描述气体分子的排列、分离和运动。 ### 排列 气体分子的排列是非常松散的,它们之间的距离相对较大,没有固定的位置,可以自由...
A molecule is a neutral group of two or more atoms held together by chemical bonds. The chemical bonds are created when atoms share their valence (outermost) electrons to become stable or neutral (no electrical charge). Different types of molecu...
Describe where a hydrogen bond can form among water molecules What are the following? * Crystal lattice * Metallic lattice * Covalent lattice * Ionic Lattice Provide easy explanations with examples. Explain why ionic compounds are capable of conducting electricity. ...
Thus, Bahe in 1972 extended the Debye–Huckel theory, developed for the most diluted electrolytes, to more concentrated solutions taking into account long range inter-ionic Coulombian forces. The introduction of long range interactions in the model generates naturally a pseudo-lattice arrangement of ...
The molecular geometry of a compound is the geometry in which the basis is the atoms or group of atoms around the central atom only and not the lone pairs. This can be determined by first giving out the Lewis structure of the compound....
Are weak chemical interactions a type of bond? Why or why not? What are the differences between a covalent bond and an ionic bond? Describe the chemical groups that are important to life. Describe the intramolecular and intermolecular forces of ...
Describe the molecular composition and arrangement of the components in the nucleosome. Describe the chemistry of carbon atoms. Tell about their electron configuration and their capacity to form covalent bonds including double bonds. Also, explain how carbon-based molecules can be so...
A crystal structure refers to the regular, repeating arrangement of atoms, ions or molecules in a solid material. The constituents are arranged in a three-dimensional pattern called a crystal lattice, where atoms occupy specific positions called la...
Describe the procedure for finding the volume density of atoms in a crystal. Density: The density is known as the term which is the correlation of mass to the volume occupied by the object. The standard international unit of density is kilogram per meter cube and is also used to ...
Answer to: Describe the main culturing method used to grow bacteria in a laboratory. By signing up, you'll get thousands of step-by-step solutions...