collabora doesn’t provide a frontend and isn’t meant to be a standalone document editor. the “ok” is expected behavior and indicates the server is functional. you need a different service that supports collabora integration, such as nextcloud. then you just enter the address of your server and it should work

sodium.jar

lithium only has one valence electron. it really wants to get rid of that valence electron. halogens such as the pictured fluorine, chlorine, bromine, and iodine have seven valence electrons. they really want to obtain one more valence electron to form a stable outer shell. thus, the lithium donates its electron, forming an ionic compound