State one conclusion about atomic structure based on the observation that almost all alpha particles passed straight through the foil

Avariable that is not being directly tested during an experiment should be

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

What does an electron configuration for an atom relate to the atoms placement on the periodic table