前者是离子化合物,后者是共价化合物。离子化合物是指阴阳离子通过离子键结合在一起的化合物,共价化合物...
___are usually composed of a metallic ion and the polyatomic ion hydroxide (OH–) These bases are named like other ionic compounds with polyatomic ions Ionic compound naming pattern ( Ex ample: NH 4 NO 3 ) cation’s name + anion’s name ___ ___ Types of...
共价离子2Ionicand离子键化合物ionic共价键 系统标签: ioniccovalentcompounds离子键共价quiz Review for Quiz 2: Ionic and Covalent Compounds 1. Know and understand the definitions of: metal, non-metal, ionic compound, covalent (molecular) compound, binary compound and electrolyte. • ionic compounds ar...
Lab: Properties of Ionic and Covalent Compounds Introduction: Ionic compounds (or salts) are formed when metals transfer electrons to nonmetals. The loss of electrons by the metal atom transforms it into a positive ion, orcation. The gain of electrons by the nonmetal atom transforms it into a...
4.2: Covalent Compounds - Formulas and Names Identify covalent and ionic compounds. 当两种或多种非金属结合时形成"covalent bonds"。 Characteristics of Covalent (Molecular) Compounds: Compounds that contain covalent bonds (also called molecular compounds) exhibit different physical properties than ionic comp...
ionic compounds, ex. NaCl –> Na+ Cl- ELECTROLYTES ionic compounds, ex. NaCl –> Na+ Cl- crystals (or crystal salts) of positive and negative ions held together by electrostatic forces (weak bonds) placed in water, which is a charged molecule, the ions dissociate (separate into positive ...
Is P4O10 an ionic or covalent compound? Explain. Give the name of the ionic compound Na2O. Which compounds are ionic and which are covalent: N2, CCl4, SiO2, AlCl3, CaCl2, LiBr? Which of the following compounds are ionic and which are covalent: N2, CCl4, SiO2, AlCl3, CaCl2, LiBr ...
1.All ionic compounds have high mp/bp. OR All ionic compounds are solid in normal conditions (ntp) / their normal physical states. Note: Normal conditions (ntp): Pressure=1atm (atmospheric pressure) & Temperature=25oC 2.All ionic compounds do not conduct electricity in solid state / their...
Sanygin, V.P., Thermochemical Stability of Covalent and Ionic Inorganic Compounds: Graphite-like Structures, Compound Semiconductors, and High- T c Oxides, Neorg. Mater. , 1999, vol. 35, no. 10, pp. 1213–1218 [ Inorg. Mater. (Engl. Transl.), vol. 35, no. 10, pp. 1031–1046]....
Covalent compounds usually have lower enthalpies of fusion and vaporization than ionic compounds. 共价化合物通常比离子化合物具有更低的熔化和蒸发焓。 flexible 韧性 Covalent compounds tend to be soft and relatively flexible. 共价化合物一般比较柔软且相对柔韧。