Question

this question has 2 parts.
the type of bond that is formed when atoms of opposite charges interact (i.e. na+ and cl-) is called a(n)
○ hydrogen bond
○ ionic bond
○ covalent bond
○ james bond (sorry i cant resist the pun)
hydrogen bonds are a type of bond that can form
○ when two atoms of opposite charge come in close proximity.
○ when two polar molecules come into close proximity.
○ when two atoms of the same charge come into close proximity.
○ when two hydrophobic molecules come into close proximity.
this question was created or adapted by your instructor

Explanation:

• For the first part: An ionic bond is formed when atoms of opposite charges (ions) interact. In the case of \(Na^+\) and \(Cl^-\), sodium donates an electron to chlorine. Sodium becomes \(Na^+\) (a cation) and chlorine becomes \(Cl^-\) (an anion). The electrostatic attraction between these oppositely - charged ions forms an ionic bond. A hydrogen bond is a weak dipole - dipole interaction (not a true chemical bond in the same sense as ionic or covalent) involving hydrogen. A covalent bond is formed by the sharing of electrons between atoms.
• For the second part: Hydrogen bonds are a type of dipole - dipole interaction. Polar molecules have a partial positive and a partial negative end. For example, in water (\(H_2O\)), the oxygen is partially negative and the hydrogens are partially positive. When two polar molecules come into close proximity, the partially positive hydrogen of one molecule can interact with the partially negative atom (usually oxygen, nitrogen, or fluorine) of another molecule, forming a hydrogen bond. Oppositely - charged atoms form ionic bonds, same - charged atoms repel each other, and hydrophobic interactions are related to non - polar molecules avoiding water (not hydrogen bond formation).

Answer:

1. Ionic bond
2. when two polar molecules come into close proximity.