The outer electron of a potassium atom is further from its nucleus than the outer electron of a lithium atom. Which atom is more reactive?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?