Comparing Elements Of Copper, Barium, Sodium, Lithium, And

In this experiment, the elements copper, cobalt, barium, sodium, lithium, and strontium were burned to see the colors which they produce. Each flame was a distinct color and burned at different speeds, meaning that my partners and I had to repeat the step of burning the element several times in order to get precise results. The experiment was mainly conducted to see the light spectra that the colored flames cast, and to become acquainted with using spectroscopes. One of the elements used in this lab, lithium, is used to make batteries and as medicine, but also gives of a red color. In order to get good results, the lights in the lab were turned off, this way my partners and I could more clearly see the color of the flame and the lines which

If an electron has more energy levels than it has completely filled, it is excited; if not, it’s in its ground state. In this particular lab I know that the atom is excited because light was given of from the elements. Energy was transferred to the electron, and the electrons jumped from their ground state to their excited state, the electrons then went back to their ground state and released their energy as light. The elements gave off their unique colors due to the different energy between the two states, the wavelengths from the atoms are mixed to produce the element’s different colors. Likewise, when white light is dispersed, the visible spectrum is colors is produced, the colors blend into each other but are seen distinctly. This is how a continuous spectrum is formed. The relationship between frequency and wavelength is proportional, if there is a high frequency there is a smaller wavelength. This is demonstrated in the electromagnetic spectrum, dangerous rays such as gamma rays have high energy, small wavelengths, and high frequencies. Less dangerous rays like microwaves have lower energy, bigger wavelengths, and smaller frequencies. An emission spectrum is formed when electrons move to a higher energy level, fall back down, and show a photon of electromagnetic radiation. The photons form the emission spectrum. The colored light