Hi everyone. If you have recently joined our community, please make a post introducing yourself. You can use the template below if you'd like. Hi everyone, my name is [Joshua Slotin]. Some things I love are [playing Dungeon and Dragons, and working out]. In this community, I'm hoping to [teach people about chemistry in a way that helps them see chemistry as something familiar and logical, helping you to perform better in your classes and career].

I thought "less stable" and "more reactive" meant the same thing, so I'm confused why the attached image from LibreTexts draws a distinction between them. Don't they both imply that a molecule is in a high energy state and liable to change in order to fix that?