Atoms in the same period have the same number of energy levels, which also helps scientists predict how an atom will interact with other atoms. In Dimitri Mendeleev's periodic table, elements in the same vertical group have _____.
NonVisual Desktop Access (NVDA) is a free, open source, portable screen reader for Microsoft Windows. The project was started by Michael Curran in 2006. NVDA is programmed in Python. It currently works exclusively with accessibility APIs such as Microsoft Active Accessibility, IAccessible2 and the Java Access Bridge, rather than using specialized video drivers to intercept and interpret visual information. It is licensed under the GNU General Public License.
In this video, I am using NVDA version 2016.3 and the Firefox browser on a Windows 10 laptop. My NVDA key is the extended insert key. The first shortcut that I want to demonstrate is NVDA + a. This is the say all command that reads out all the text in a document from the current position onwards.