化学键的种类分为三种,ionic bonding(离子键),covalent bond(共价键),metallic bond(金属键)。 知识点总结: ionic bonding(离子键)的构成:metal+non-metal 形成过程:electron transfer (电子的转移) (金属失去电子,非金属得到电子) Na原子核外电...
metallic bonds 金属键，金属单质或者合金才会有。ionic bonds 离子键，阴阳离子间形成的，有阳离子和阴离子，一般是盐和碱中才有。covalent bonds 共价键，非金属元素之间的化学键，在离子化合物中、共价化合物中都有可能有。比如氢氧化钠中，钠离子与氢氧根离子是离子键，氢氧根里氢原子与氧原子是共价...
A molecule or compound is made when two or more atoms form a chemical bond, linking them together. The two types of bonds are ionic bonds and covalent bonds. The distinction between them has to do with how equally the atoms participating in the bond share their electrons. For example, ioni...
What is an example of a substance that has both ionic and covalent bonds & where are these bonds formed? What is a covalent bond and what are the important characteristics of covalent bonds? How are covalent bonds formed? Do some covalent bonds have Ionic character? E...
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IB化学 化学键系列 Covalent Bonding In Carbon Dioxide 二氧化碳的共价键 221 -- 5:51 App IB化学 化学键系列 How Do Atoms Bond- 原子如何成键的 237 -- 2:29 App IB化学-核化学-核裂解和核聚变 394 -- 5:36 App 荣誉化学-Ionic Bonds vs Covalent Bonds 离子键 VS 共价键 343 -- 4:48 App...
A bond’s strength describes how strongly each atom is joined to another atom, and therefore how much energy is required to break the bond between the two atoms. In this section, you will learn about the bond strength of covalent bonds, and then compare that to the strength of ionic bonds...
Is a C-Cl bond polar covalent or nonpolar covalent? Both SO2 and CO2 have polar covalent bonds. However, one of these molecules is polar and the other is nonpolar. Which one is nonpolar and why? Are the bonds in PCl3 polar covalent, nonpolar covalent, or largely ionic? E...
Covalent Bonds: SHARING of electrons Electrons can be shared: EQUALLY between nonmetal atoms = NONPOLAR covalent bond UNEQUALLY between nonmetal atoms = POLAR covalent bond Valence Electrons How many valence electrons does nitrogen have (N)?
Ionic bonds – transfer of electrons (gained or lost; makes formula unit) Covalent bonds – sharing of electrons. The resulting particle is called a “molecule” Covalent Bonds The word covalent is a combination of the prefix co- (from Latin com, meaning “with” or “together”), and the...