If a core of a planet is destroyed there's the planet gets destroyed as well? xXBailyXx hurrry

If your asking what would happen if the core of the earth got destroyed .. most chunks of land will probably explode into a giant dust cloud if you hit them together at hundreds of miles per hour. with these types of collisions, the densest stone will turn to gravel. people will be flung into the air. people will tumble across the ground, or be flattened by a sudden acceleration.

List the following gasses

U whay do you need with?