You can make a general benchmark assumption, e.g. in the Reactivity Series: https://en.wikipedia.org/wiki/Reactivity_series https://en.wikipedia.org/wiki/React

You can make a general benchmark assumption, e.g. in the Reactivity Series: https://en.wikipedia.org/wiki/Reactivity_series https://en.wikipedia.org/wiki/Reactivity_series So from a high enough vantage point, Ti is very slightly less reactive than Al, less reactive than Mg, and not too far from Fe. A far cry from being "a streetwalker" of a metal.