Question

question 9 of 10
what kind of bond is present in nabr?

a. hydrogen bond

b. covalent bond

c. metallic bond

d. ionic bond

Explanation:

To determine the bond in NaBr, we analyze the elements: Sodium (Na) is a metal (alkali metal), and Bromine (Br) is a non - metal (halogen). Ionic bonds form between metals and non - metals when electrons are transferred from the metal to the non - metal, creating ions (Na⁺ and Br⁻ here) that are held together by electrostatic attraction.

• Option A: Hydrogen bonds are intermolecular forces involving hydrogen bonded to highly electronegative atoms (O, N, F) and are not intramolecular bonds in compounds like NaBr.
• Option B: Covalent bonds form between non - metals when they share electrons, which is not the case here as Na is a metal.
• Option C: Metallic bonds are found in metals (between metal atoms), but NaBr has a non - metal (Br) as well, so metallic bonding is not applicable.
• Option D: Since Na (metal) and Br (non - metal) transfer electrons to form ions, the bond in NaBr is ionic.

Answer:

D. Ionic bond