GENERAL GEOLOGY

GEOLOGY

GEOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sodium ions (Na+) and chloride atoms (Cl-) form table salt, NaCl. The atoms in NaCl are held together by:
A
an ionic bond
B
a covalent bond
C
a metallic bond
D
an ironic bond
Explanation: 

Detailed explanation-1: -Because of the propensity of sodium to lose an electron and of chlorine to gain an electron, the elements are well suited to bond with one another. This transfer of electrons results in the formation of the ionic bond holding Na+ and Cl– together.

Detailed explanation-2: -The bonds in salt compounds are called ionic because they both have an electrical charge-the chloride ion is negatively charged and the sodium ion is positively charged.

Detailed explanation-3: -Since sodium chloride is formed by the transfer of electrons between the elements, therefore, it is an ionic compound.

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