In the crown-ether complex, the metal ion fits into the cavity of the crown ether and is solvated by the oxygen atoms. The exterior of the complex is nonpolar, masked by the alkyl groups of the crown ether.
Arrow Alerts. Location-enabled apps and services track your iPhone by periodically querying it for location-based information. They may do this while being used or running in the background on your device. A little arrow appears on the iPhone's upper-right corner to advise you when data is shared. Arrows also appear within the Location Services settings screens to indicate when and what kinds of information was shared with whom.
And hereâs how you rearrange the icons directly using the Apple Watch app on your iPhone (see screengrabs below for illustrations): 1  In the Apple Watch app on iPhone, select the âMy Watchâ tab at the bottom of the screen. 2  Select âApp Layoutâ (itâs the first setting). 3  Touch and hold the icon for the app you want to move.