Question

question 1. name the binary ionic compounds indicated by the following formulas:
a) kcl
b) cabr₂
c) li₂o
d) mgcl₂
e) ba₃p₂
f) alf₃
g) coi₂
h) cubr
i) fes
j) snf₂
k) pbo₂

Explanation:

Step1: Name KCl

K is potassium (group 1, charge +1), Cl is chloride (charge -1). Name: Potassium Chloride.

Step2: Name CaBr₂

Ca is calcium (group 2, charge +2), Br is bromide (charge -1, 2 bromides). Name: Calcium Bromide.

Step3: Name Li₂O

Li is lithium (group 1, charge +1, 2 Li⁺), O is oxide (charge -2). Name: Lithium Oxide.

Step4: Name MgCl₂

Mg is magnesium (group 2, charge +2), Cl is chloride (charge -1, 2 chlorides). Name: Magnesium Chloride.

Step5: Name Ba₃P₂

Ba is barium (group 2, charge +2, 3 Ba²⁺), P is phosphide (charge -3, 2 P³⁻). Name: Barium Phosphide.

Step6: Name AlF₃

Al is aluminum (charge +3), F is fluoride (charge -1, 3 fluorides). Name: Aluminum Fluoride.

Step7: Name CoI₂

Co is cobalt (charge +2, since 2 I⁻), I is iodide. Name: Cobalt(II) Iodide.

Step8: Name CuBr

Cu is copper (charge +1, since 1 Br⁻), Br is bromide. Name: Copper(I) Bromide.

Step9: Name FeS

Fe is iron (charge +2, since S²⁻), S is sulfide. Name: Iron(II) Sulfide.

Step10: Name SnF₂

Sn is tin (charge +2, since 2 F⁻), F is fluoride. Name: Tin(II) Fluoride.

Step11: Name PbO₂

Pb is lead (charge +4, since 2 O²⁻), O is oxide. Name: Lead(IV) Oxide.

Answer:

a) Potassium Chloride
b) Calcium Bromide
c) Lithium Oxide
d) Magnesium Chloride
e) Barium Phosphide
f) Aluminum Fluoride
g) Cobalt(II) Iodide
h) Copper(I) Bromide
i) Iron(II) Sulfide
j) Tin(II) Fluoride
k) Lead(IV) Oxide