Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

Both the figure and the table are something like a map or chart of matter on whichFig. 2. The periodic In this figure the periodic chain (fig. 1) is bent in a way that elements of similar ...

IT will doubtless interest readers of NATURE to know that other elements besides neon (see NATURE for November 27, p. 334) have now been analysed in the positive-ray spectrograph with remarkable ...

This video explains the periodic table, containing all the known elements arranged in groups and periods. Elements in the same group of the periodic table show trends in physical properties ...

propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.

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The Bihar School Examination Board (BSEB) is a prominent state education board responsible for conducting the class 10 and ...

Over the next 400 million years, global diversity showed little overall trend and was marked by periodic, massive losses of diversity classified as mass extinction events. The largest of these ...

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In the 23rd century, the universe is threatened by evil. The only hope for mankind is the Fifth Element, which comes to Earth every 5,000 years to protect humans with stones of the four elements ...