A. An anion
A.
B. A cation
B.
C. A neutral atom
C.
D. An isotope
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
In NaCl (sodium chloride), sodium becomes B) a cation.
When sodium (Na) forms an ionic bond with chlorine (Cl) to create sodium chloride (NaCl), it loses one valence electron, becoming a positively charged ion called a cation.