Calculate the mass in grams of aluminium that can be formed from 1020g of aluminium oxide using the equation: 2Al₂O₃ → 4Al + 3O₂

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

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