B
Electrons are found in shells or orbitals that surround the nucleus of an atom
Explanation:
Bohr built on Nicholson's idea by adopting the requirement that the angular momentum can have only certain discrete values related to Planck's constant. However Bohr's atom has many orbits for the electrons.
Answer:
concrete
2kj for second question
Explanation:
it's gotta be because... let me get back on it.
Answer:
86.735 kJ
Explanation:
Simply multiply the change in temperature by the Ccal;
(36.6 - 20.0)×5.225 = 86.735
