The first electron configuration quantum number describes
a. the energy level.
b. the type of orbital (s, p,d, or f).
c. the spin of each electron.
d. the number of electrons in the orbital.

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

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.