Answer:
the last one is wrong
Explanation:
wrong : most of the mass of an atom comes from the electrons cloud
42- 8 = 34 sand dunes must be the answer
hope so it helps
Oxygen and neon are both elements. Oxygen has 8 electrons and 8 protons. Neon has 10 electrons and 10 protons. Oxygen is also a non-metal element and Neon is a noble gas.
