Series of characteristic spectral lines
When a sample of an unknown element is used as a target for the electron beam in an X-ray tube, it emits a series of characteristic spectral lines in which the two longest wavelengths are 0.0228 nm and 0.0192 nm. What is the element?
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Need to create two global varibles. The first currentTab, which will reference the current menu tab being dispalyed with a initial value of null, the second variable is maxZ which will store the z-index and it's initial value is 1.
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Mitochondria are thought to be the descendants of certain alpha-proteobacteria.
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