Which best describes a compound such as sodium chloride
Answers
Option (d) is the correct answer.
Explanation:
A compound is defined as a substance which contains two different atoms that chemically combine together in a fixed ratio by mass.
A compound can be broken down into its constituent particles.
Pure substances are defined as the species which contains same type of atoms.
For example, NaCl is a pure compound and it can be separated into sodium and chlorine elements.
Thus, we can conclude that the statement a pure substance that can be separated into different elements by chemical means, best describes a compound such as sodium chloride.
The correct answer is Option D.
Explanation:
Mixture is defined as the combination of two or more different substances in which each substance retains its original chemical properties. These can be physically separated.
Pure substance is defined as the substance which is formed by only one type of atom or only one type of molecule. The atoms forming a pure substance loose their original chemical properties.
Sodium chloride is the compound which are formed by the chemical combination of sodium and chlorine atoms.
When a compound is formed, the elemental properties of the atoms are lost and the compound formed attains new chemical and physical properties. The compound formed will be a pure substance.
From the above information, the correct answer is option D.
The second option is the answer. This is a mixture of two common substances that can be separated by chemical means.
NaCL is a compound that was formed through a chemical reaction between sodium and chlorine. In that reaction sodium which is a toxic metal combines with chlorine, a poisonous gas, to form a harmless but totally new compound NaCl or table salt.
Since the sodium ions have a positive charge and the chlorine ions have a negative charge, they are attracted to each other to form an ionic bond.
Sodium can only be separated from Chloride by chemical means e.g. electrolysis.
a pure substance that can be separated into different elements by chemical means
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Explanation:
NaCl; Sodium Chloride is an ionic compound formed by sodium and Chlorine.
Ionic bond is very strong, It can't be separated back to sodium and chlorine just by physical change. Chemicals which are more reactive can displace ions, thus seperate it
d) a pure substance that can be separated into different elements by chemical means.
Explanation:
Hello,
Sodium chloride (NaCl) is a chemical compound composed by sodium and chlorine. They are chemically bonded through a ionic bond which means that the sodium transfers just one electron (valence electron) to the chlorine to form the bond. Now, if we want to separate them, we must induce a chemical process because bond breaking implies a chemical change, not physical. Thus, a typical way to separate them (break the bond) is via electrolysis in which an electric driving force induce the aforementioned breakdown.
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Sodium chloride I.E. NaCl is an ionic compound formed by the reaction between sodium and chlorine. it is also known as common salt .
Sodium can only be separated from Chloride by chemical means e.g. electrolysis.
a pure substance that can be separated into different elements by chemical means
It is a compound composed of sodium (Na) and chloride (Cl)