Previously the scientists tried to arrange the elements, using relative atomic masses. The elements in the modern periodic table are listed in order of increasing atomic number (the number of protons in the nucleus of an atom). Introduction to Arithmetic Progressions | Class 10 MathsĬhemists have always tried to arrange the elements in a way that reflects the similarities in their properties.Class 10 RD Sharma Solutions- Chapter 2 Polynomials - Exercise 2.1 | Set 2.Arithmetic Progression - Common difference and Nth term | Class 10 Maths.Electric Potential and Potential Difference.Area of a Triangle - Coordinate Geometry | Class 10 Maths.Euclid's Division Algorithm - Real Numbers | Class 10 Maths.Theorem - The tangent at any point of a circle is perpendicular to the radius through the point of contact - Circles | Class 10 Maths.Step deviation Method for Finding the Mean with Examples.Concave and Convex Mirrors - Ray Diagrams, Image Formation, Applications.Section formula – Internal and External Division | Coordinate Geometry.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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