Which of the following sentences best describes table salt, NaCl? Question 7 options: Table salt is a compound made from two elements. Table salt is an element made from two mixtures. Table salt is a mixture made from two elements. Table salt is an alloy made from a metal and a nonmetal.
Answers
Sentence which best describes table salt, NaCl is :
"Table salt is a compound made from two elements"
Reason :
Table salt which is chemically called as Sodium chloride is formed by two elements namely sodium and chlorine in fixed composition.
Sodium being metal loses its one valence electron and chlorine being non metals gain that electron and due to electro static fore of attraction a chemical bond[ionic] is formed.
Most of the pure substance made up of only one type of atom with chemical and physical properties.
There are different elements connected with the fixed ratio from more molecule and more chemical formula is NaCl (Sodium Chloride).
Na+: Sodium atom acting as cation.Cl-:
Chlorine atom acting as anion is not a element this is common salt of ionic compound.