Calculate the wavelengths of the first 4 lines in the Ballmer emission spectrum of hydrogen (n1 – 2 and n2 – 3,4,5). Work in ev units for energy. Refer your answers to the colour as demonstrated in the
line spectra.

Determine which intermolecular forces are the dominant (strongest) forces for a pure sample of each of the following molecules by placing the molecules into the correct bins. drag the appropriate molecular formula to their respective bins.

How will the emission of an alpha particle affect the atomic number of an atom

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons