Answer:
In general, the energy needed to remove an electron (the ionization energy) increases as the atomic number increases across a period.
Explanation:
Each additional proton increases the attraction between the nucleus and the electron.
Thus, it takes more energy to remove an electron as you add extra protons.
Answer:
2 HNO3 + CaCO3 = Ca(NO3)2 + H2O + CO2
Explanation:
Given Equation :

Balanced Equation

Hexane has a higher vapor pressure