find primitive element

Features of Protozoans - Amoeba is a typical protozoa..

Locomotion with the help of finger-like projections called pseudopodia, cilia or flagell..

Unicellular (single celled) animals.Nutrition is heterotropi..

It is defined as a substance that cannot be further reduced to simpler substances by ordinary processes. Elements are made up of particles/atoms of only one kind. For example: Hydrogen and oxygen There are 114 elements known. Out of these 92 of them occur in natu..

"An element is a pure substance which is made up of only one kind of atoms having the same atomic number." "The smallest particle of an element is the atom which, has all the properties of that element." "An element cannot be broke..

An element is defined as a pure substance as it is made up of only one kind of atoms having the same atomic number. The smallest particle of an element is the atom, which has all the properties of that element. It cannot be further reduced to simpler substances by ord..

Functional Elements - The elements, which take part in the metabolic activities of plants, whether essential or non-essential are named as functional elements..

The elements of s and p-block of the periodic table are collectively called representative elements..

Types of Elements - On the basis of electronic configuration, the elements of the periodic table are classified into: (1) Noble gases, (2) Normal elements, (3) Transition elements, (4) Inner-transition elements, (5) Alkali metals and (6) Halogen..

In the case of these elements, all shells except the outermost shell are completely filled. Elements belonging to I A, II A, III A, IV A, V A, VI A and VII A are normal elements. Elements of the second period are known as typical elements [Li (Z = ..