1. Write the complete chemical symbol for
the ion with 37 protons and 36 electrons.​

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Correct relationship between molecular formula and empirical formula