Introduction to Atomic Structure

Atomic Structure

ATOMIC Structure and ATOM Atom is the smallest particle of an element. It consists of a nucleus, which is composed of neutron and proton, whereas, electrons are found outside the nucleus. Democritus, a Greek philosopher (460-370 BC) gave an idea that matter is composed of small non-dividing particle, which he …

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Population Interactions (NEET)


POPULATION INTERACTIONS Population is a group of individuals of the same species. An organism cannot live in isolation, interaction always occurs. This interaction can be beneficial, harmful or neutral. ‘+’ marks positive interaction, ‘-‘marks negative interaction and ‘0’ marks neutral interaction. The common interactions are: Mutualism (+, +) Competition (-, …

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What is the angle between two sides of a Polygon

In our regular life we can see many types of figures/ shapes/structures. A simple closed figure which is formed by three or more lines or more than three lines is called a polygon. If a polygon has n-sides then it is said to be N-gon. i.e. for example see the …

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First C Program

First C Program: First every c program must have one main() function. C program execution always start from main(). Every statement ends with semicolon(;). #include <stdio.h> #include<conio.h> void main() { printf(“Hello, world\n”); getch(); } #include <stdio.h> includes the standard input output library functions. The printf() function was defined in stdio.h file. #include <conio.h> includes …

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