My iPad keyboard has been split apart. I need them together

Touch and hold the “keyboard” key at bottom right of the on-screen keyboard; an options menu will appear. Without lifting your finger, slide your finger to the Dock & Merge option - and then lift your finger from the on-screen keyboard. Alternatively, place a finger on use half of the keyboard - then slide your fingers together.

Split and move the keyboard on your iPad – Apple Support

See the following from Split and move the keyboard on your iPad - Apple Support

How to merge a split keyboard

1. Tap a text field.
2. Touch and hold  in the lower-right corner of the keyboard.
3. Slide up and tap Merge.

To turn Split Keyboard on or off, go to Settings > General > Keyboard > Split Keyboard.

Hello there,

In order to place your keyboard back to its original position, look at your keyboard, and there you will find a miniature keyboard. Hold on the keyboard until a pop-up appears saying “merge” and “dock and merge”

hope this works!

best regards, Moumen