If you are not the one who inserted the line, it is recommended to look for the insertion documentation record or device placement information, including xray results for tip confirmation to determine what kind of catheter it is.
Rutherford's gold foil experiment provided evidence that There is a dense, positively charged mass in the center of an atom Who provided evidence for the existence of a nucleus in an atom?
which led to a new model of the atom. A model of the gold foil experiment is shown below. (b) For each of the conclusions given below, state which observation from the experiment. provides evidence that: (i) Most of the mass of the atom is concentrated in a tiny region which Rutherford called the. nucleus.