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salantis [7]
3 years ago
5

Explain how a covalent bond is different than an ionic bond. Which type of bond is the stronger of the two bonds? Give examples

of molecules that are formed by each type of bond.
Biology
2 answers:
Katen [24]3 years ago
7 0

Answer & Explanation:

There are two types of bonds that we studied: ionic and covalent. Ionic bonds are named as such because they result from the transfer of electrons to complete the bond. You can think of this kind of like the ions are sharing to satisfy their outer energy levels. In most elements, the outer energy level is not full. Atoms naturally want a full set of electrons, so they hook up with an element that has one extra electron that it wants rid of. The atoms with an extra electron transfers the electron to the atom lacking one. The result is that both the atoms have satisfied their energy levels and a stable compound is formed out of two unstable elements. For example salt, a stable compound, is formed from the very unstable elements sodium and chlorine. A covalent bond works slightly differently. You can think of it like joining forces.. Two atoms share one electron, instead of the electron being donated. Water is an example of a covalent compound formed from 2 hydrogens and 1 oxygen atom.

ollegr [7]3 years ago
6 0
Covalent bonding involves the sharing of electrons between atoms, and ionic bonding, ionic bonding involves the transfer of valence electrons. Ionic bonding is stronger. An ionic bond is Sodium flouride; a covalent bond is is sulphuric acid
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Teniendo en cuenta las definición de evaporación, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.

El método de separación utilizado para el agua y la sal es: la evaporación.

La evaporación consiste en pasar el soluto disuelto en un liquido a estado gaseoso y ocurre al aumentar su temperatura de forma natural o artificial,. Dependiendo de que se desea evaporar se utiliza el material correspondiente. La técnica mas común es por contacto y puede acelerarse si utilizamos un material conductor dentro del liquido.

En otras palabras, se conoce que la evaporación es el proceso por el cual las distintas moléculas en estado líquido, como lo es en agua, pasan a un estado gaseoso de manera espontánea, siendo este el principal efecto de la evaporación.

Como se mencionó el método de separación utilizado para el agua y la sal es la evaporación. Durante este proceso, al aplicar calor, el agua se convierte en vapor y se libera al aire. La sal, como tiene otro punto de ebullición, no se evapora.

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