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Using the Periodic table explain how the position of the elements that make up the salts (NaCl,CaCl2) and KCl) can be used to tell if the bonds are ionic or covalent. (Hint: ionic compounds are made up of 2 or more elements that are far apart on the periodic table)

Verified Answer :

covalent is a bond made up of two different nonmetals which are located on the right side of the period table . ionic bonds are made up of a non metal and a metal so it would an element from the left side of the period table and a element from the right side of the period table

CintiaSalazar

Taking into account the definition of covalent and ionic bonds, the bonds of NaCl, CaClâ‚‚ and KCl are ionic.

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements. 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.

On the other side, 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.

Considering the above, as Na, Ca and K are metals and Cl is a non-metal, the bonds of NaCl, CaClâ‚‚ and KCl are ionic.

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