5. Calcium-40 and Calcium-42 both share the same number of protons
number of neutrons
number of electrons
mass number

The p sub shell can hold up to 8 electrons in an atom. true or false?

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.

How are isotopes of the same chemical element alike? how are they different?