NCERT books offer a number of problems which students can practice to assess their learning and prepare for the examinations. Practicing a variety of questions helps to strengthen the fundamentals of ...

Earlier in a bid to reduce the burden on students, the National Council of Educational Research and Training (NCERT) dropped the full chapter on the Periodic Classification of Elements, a full chapter ...

The periodic table arranges all the chemical elements in a specific way. Patterns are visible in the way that elements behave, and this allows us to make predictions about other elements. Gethin: And ...

The position of an element on the periodic table provides information about its properties. The majority of elements are metals and they are found on the left and in the middle of the periodic table.

CBSE Class 10 Science Extra Questions and Answers for Chapter 5 - Periodic Classification of Elements are available here for free PDF download. All these questions and answers are prepared by the ...

New Delhi: National Council of Educational Research and Training (NCERT) on Saturday said that the Periodic table has not been removed from the school education curriculum and it is available in great ...

The periodic table of elements is one of the most significant tools in science, organizing all known chemical elements in a structured and meaningful way. It helps scientists understand element ...

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

This year we celebrate the 150th anniversary of one of the most significant breakthroughs in science, the creation of a tool that allows us to make sense of the basic ingredients of our universe, and ...

Mankind has known materials such as gold, silver, mercury, iron, phosphorous, sulphur and others since antiquity. Alchemists tried making gold out of “base” metals — with no success. But we had to ...

A research team has discovered clusters of aluminum atoms that have chemical properties similar to single atoms of metallic and nonmetallic elements when they react with iodine. The discovery opens ...