General Chemistry 1

What is the electron configuration of the following elements:

H

He

B

Ne

Sc

Zn

Give the electron configuration, the number of valence electrons, and state whether the ion is diamagnetic or paramagnetic for the following ions:

Mg$^{+2}$

O$^{-2}$

Cl$^{-1}$

Al

Give the electron configuration, the number of valence electrons, and state diamagnetic or paramagnetic for the following elements and ions:

Cr

Cr$^{+2}$

Cu

Cu$^{+1}$

Provide the lewis dot structure, molecular geometry, orbital geometry, polarity, and the hybridization of CO$_2$

Provide the lewis dot structure, molecular geometry, orbital geometry, polarity, and the hybridization of NH$^{+4}$

Provide the lewis dot structure, molecular geometry, orbital geometry, polarity, and the hybridization of IF$^{-1}_4$

Provide the lewis dot structure, molecular geometry, orbital geometry, polarity, and the hybridization of SeCl$_4^{-2}$

List the intermolecular forces present in CH$_2$OH, Ar, Ne, and CH$_3$OCH$_3$ and rank them from lowest to highest boiling point.

A solution contains 30% w/w NH$_3$ (aq) (density: 0.90 g/mL). Find the mole fraction of the solution.

What is the mole percent and fraction of each component of a mixture composed of 0.200 mol O$_2$ and 0.500 mol N$_2$ ?