(2) 2 - 7 - 18 - 7 does, because the electron from the L shell jumped to the N shell, which requires energy.
The rest of them are either different types of atoms (different elements) or are not the excited state (ground state)
Answer:It has the lowest effective nuclear charge of the four new elements.
Answer:
874 por que mi pen3 ne tu ocncha
Explanation:
mkmkm
Answer:
Igneous Rock
Explanation:
Assuming this is a cycle, the volcanic eruption would lead back to rock B; rocks formed by volcanic eruptions are considered Igneous.
Technically speaking, yes you can. Using a microscope though.