A) When 2.50 g of SO2 is heated with excess oxygen, 2.50 g of SO3 is obtained.
2SO2 + O2 → 2SO3

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.

Which of these is a physical property

What is the atomic number of an atom that has 6 protons