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Answer :
Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.
The covalent compound are usually formed when two non-metals react.
Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.
All the polyatomic ions always form an ionic compound.
Polyatomic ions : It is a charged species that composed of two or more atoms and these charged species are bonded by the covalent bond.
For the given options:
Option A:
This compound is formed by the combination of potassium, which is a metal and
ion which is a polyatomic ion. Thus, it will form an ionic compound.
Option B:
This compound is formed by the combination of magnesium, which is a metal and
ion which is a polyatomic ion. Thus, it will form an ionic compound.
Option C:
Hydrogen and sulfur, both are non-metals and they will form a covalent compound.
Option D:
This compound is formed by the combination of silver, which is a metal and sulfur,
which is a non-metal. Thus, it will form an ionic compound.
Option E:
Nitrogen and chlorine, both are non-metals and they will form a covalent compound.
Option F:
This compound is formed by the combination of cobalt, which is a metal and
ion which is a polyatomic ion. Thus, it will form an ionic compound.
Carbon dioxide is a carbon atom and two oxygen atoms, therefore CO2
For the others, they are hydrocarbons.
The first part of the name is determined by how many carbon atoms there are. The second part, is by the type. Alcohol, Alkane, Alkene, alkynes, acid, esters, amides.
For the others, they are hydrocarbons.
The first part of the name is determined by how many carbon atoms there are. The second part, is by the type. Alcohol, Alkane, Alkene, alkynes, acid, esters, amides.