Three questions and 30 points + !
each pic is it's own question, and for the first two, you need to pic all the correct answers, even if there's more then one. and for the last one, my answer is not correct.

100 points answer quick 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.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist