Cassiterite is one of the common ores of tin. how much tin would you expect to recover from a 345 g sample of cassiterite? would this be a good ore to mine; explain why or why not?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.