From 741883c49131e1de6ef4c061c6467ceb9146351b Mon Sep 17 00:00:00 2001 From: eggy Date: Sun, 17 Oct 2021 20:59:54 -0400 Subject: [PATCH] chem: Clarify lattice enthalpy must be positive --- docs/sch4uz.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/sch4uz.md b/docs/sch4uz.md index 0e7baee..f78063e 100644 --- a/docs/sch4uz.md +++ b/docs/sch4uz.md @@ -167,7 +167,7 @@ Second ionisation energy may increase the peak enthalpy after it has lowered fro ### Lattice enthalpy -The lattice enthalpy of an ionic compound is the energy released when 1 mol of an ionic solid is formed from gaseous ions. +The lattice enthalpy of an ionic compound is the **magnitude** of the energy released when 1 mol of an ionic solid is formed from gaseous ions. - It decreases as ionic radius increases due to greater distance and charge separation - It increases as difference in charge increases because the greater charges are more strongly attracted