Answer:
they are the same element because they have the same number of protons and electrons,but a different number of neutrons
A i hope that helped i love you guys have a great day
And merry chrismas
The formula of Aldehyde is represented by <span>C2H4O. It has two atoms of Carbon, four atoms of hydrogen and one atom of oxygen. Aldehyde is an organic compound. It's organic because it contains carbon. It has a structure of R-CHO, that consists a carbonyl center bonded to R group and to hydrogen.</span>
