Determine if the following compounds are likely to have ionic or covalent bonds. a. Magnesium oxide (MgO) b. Strontium chloride (SrCl 2 ) c. Ozone (O 3 ) d. Methanol (CH 4 O) 2. Predict if a silver coin will conduct electricity

Taking into account the definition of ionic and covalent bond and conductive materials :

An ionic bond is a type of chemical bond that occurs when one atom gives up an electron to the other, in order for both to achieve electronic stability.

This union normally occurs between metal and nonmetal elements with different electronegativity, which means that the elements have different capacity to attract electrons.

In other words, an ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule.

Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas. The shared electron pair is common to the two atoms and holds them together.

In this case, you know that:

Then, the compound:

a. Magnesium oxide (MgO) Ionic

b. Strontium chloride (SrCl₂) Ionic

c. Ozone (O₃) Covalent

d. Methanol (CH₄O) Covalent

Electrical conductivity is the property of a material that allows an electrical current to travel through its atomic structure, with low resistance from this material.

Conductive materials are those that offer little resistance to the passage of electricity. Electrons can circulate freely through material because they are loosely bound to atoms and can therefore conduct electricity.

In other words, conductive materials allow the free flow of electrons between particles, facilitating the conduction of electricity across the entire surface.

Conductors, then, are those that have a large number of free electrons that move through the material, transmitting charge more easily from one object to another.

Metals have several million atoms, each with two or three electrons in its outer orbit (valence electrons). These valence electrons, in metals, are characterized by a tendency to release electrons to achieve a certain stability in terms of their configuration. In this way they conduct electricity.

Silver Ag is a metal. Then a silver coin will conduct electricity.

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The answer to your question is below

Explanation:

Ionic bond is a kind of bond in which a metal attaches to a nonmetal. Also we know that a molecule has ionic bonding if the electronegativity is higher than 1.7.

                    Kind of elements         Difference of electronegativity     Bond

a) MgO         Metal - Nonmetal                3.44 -  1.31 = 2.13                     Ionic

b) SrCl₂        Metal -Nonmetal                  3.16 - 0.95 = 2.21                    Ionic

c) O₃             Nonmetal- Nonmetal          3.44 - 3.44 = 0                      Covalent

d) CH₄O       Nonmetal-Nonmetal           3.44 - 2.55 = 0.89                Covalent

   Carbon, Hydrogen and oxygen are nonmetals

2) Silver coins can conduct electricity.

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