Different substances have different physical properties meaning they have properties that can be observed when a substance undergoes a chemical change.
For example, Rust v forms when water and oxygen interact with certain metals.

Explanation:

physical properties are those get can measured and observed without bringing a chemical change chemical properties are those that that get observed and measured when the substance undergoes a chemical change

d they tend to lose electrons and become cations.

explanation:

in physics zero. in muscle fatigue could be high