Electrons in an atom that are in a state of higher energy than normal are called a- inert
b- excited
c- Q-state
d- ground

What is the mass of sodium in 3 moles of sodium chloride

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false