Question

1. based on your knowledge of ionic and covalent bonds, complete the missing portions of the following table:

name	formula	ionic or covalent?
	$\ce{pf_{3}}$
sulfur diiodide
strontium phosphide
	$\ce{cs_{3}n}$
	$\ce{h_{2}o}$

Explanation:

Step1: Find Beryllium bromide details

Beryllium ($\text{Be}^{2+}$) and bromide ($\text{Br}^-$) form ionic compound: $\text{BeBr}_2$, Ionic

Step2: Find $\text{PF}_3$ details

Phosphorus trifluoride, nonmetal-nonmetal: Covalent

Step3: Find Sulfur diiodide details

Sulfur ($\text{S}$) and iodine ($\text{I}$) form $\text{SI}_2$, nonmetal-nonmetal: Covalent

Step4: Find Strontium Phosphide details

Strontium ($\text{Sr}^{2+}$) and phosphide ($\text{P}^{3-}$) form $\text{Sr}_3\text{P}_2$, Ionic

Step5: Find $\text{Cs}_3\text{N}$ details

Cesium nitride, metal-nonmetal: Ionic

Step6: Find $\text{H}_2\text{O}$ details

Water, nonmetal-nonmetal: Covalent

Answer:

Name	Formula	Ionic or Covalent?
Phosphorus trifluoride	$\text{PF}_3$	Covalent
Sulfur diiodide	$\text{SI}_2$	Covalent
Strontium Phosphide	$\text{Sr}_3\text{P}_2$	Ionic
Cesium nitride	$\text{Cs}_3\text{N}$	Ionic
Water	$\text{H}_2\text{O}$	Covalent