I think the answer is b because that is true
B.) Valence Electrons. The nucleus of the valence electrons attracts and pulls atoms together.
Noble gases are supposed to be the least reactive elements so I’m assuming Neon would be the most least reactive out of all of them.
Number of moles = mass of product / molecular mass
=mass of product (MgO) / 40.3
Since the mass of MgO is not given in the question, the correct answer choice cannot be given. However, proceeding witht eh above formula will enable you to find the correct number of moles given the mass of MgO.
Stratovolcanoes, or composite volcanoes, mostly erupt dust, ash, and cinders.
