Question

part 4: analyze and classify
look at each formula below. based on the elements involved, classify the type of bond as ionic, polar covalent, or nonpolar covalent.

compound	elements involved	bond type	draw the bond what happens to the e⁻?
15. h₂o	hydrogen + oxygen
16. co₂	carbon + oxygen
17. f₂	fluorine + fluorine
18. mgo	magnesium + oxygen

Explanation:

Step1: Recall bond - type rules

Ionic bonds form between a metal and a non - metal. Covalent bonds form between non - metals, with polar covalent bonds having a significant electronegativity difference and nonpolar covalent bonds having a small or zero electronegativity difference.

Step2: Classify NaCl

Sodium is a metal and chlorine is a non - metal. So, the bond in NaCl is ionic.

Step3: Classify H₂O

Hydrogen and oxygen are non - metals. Oxygen is more electronegative than hydrogen, creating a polar bond. So, the bond in H₂O is polar covalent.

Step4: Classify CO₂

Carbon and oxygen are non - metals. There is an electronegativity difference, but the molecule is linear and symmetric, so the bond is polar covalent.

Step5: Classify F₂

Fluorine is a non - metal, and since both atoms are the same, the electronegativity difference is zero. So, the bond in F₂ is nonpolar covalent.

Step6: Classify MgO

Magnesium is a metal and oxygen is a non - metal. So, the bond in MgO is ionic.

Answer:

Compound	Bond Type
15. H₂O	Polar covalent
16. CO₂	Polar covalent
17. F₂	Nonpolar covalent
18. MgO	Ionic