Question

do the following statements describe a chemical or physical property? uranium is a radioactive element. chemical physical neither lead is denser than aluminum. chemical physical neither

Explanation:

1. Radioactivity involves changes in the nucleus of an atom, which is a chemical property as it leads to the formation of new elements through nuclear reactions.
2. Density is a physical property as it can be measured without changing the chemical composition of the substances. It is a characteristic related to mass and volume.

Answer:

1. chemical
2. physical