def element_name_from_Z(Z, normalize=False):
    '''Obtain an element's name from its Z number

    An exception is thrown if the Z number is not found

    If normalize is True, the first letter will be capitalized
    '''

    r = element_data_from_Z(Z)[2]
    if normalize:
        return r.capitalize()
    else:
        return r
Obtain an element's name from its Z number

    An exception is thrown if the Z number is not found

    If normalize is True, the first letter will be capitalized