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In chemistry, all types of changes can broadly be classified into physical and chemical changes. In this post, we will learn about the difference in physical and chemical change with examples- The characteristics of...
In Physics, we define . As per the law of conservation of energy, – however, it can be changed from one form to another. In this post, we will learn about the different forms...
Some basic physical and chemical properties of metals that differentiate them from non-metals and metalloids are as follows: Physical Properties of Metals: Usually, metals are hard, opaque, possess luster, and conduct heat and electricity....
We can call only those things dead, which once lived and followed the life cycle. For example, we can call a block of wood and leather dead because they come from organisms that once...
When an object’s position changes with time, we say it is in motion. Different objects have different types of motion. For example, a train moves straight along its track, a fan rotates around its axis, and...
In my earlier post Elements and Compounds, we learned, that so far we have discovered total of 118 types of elements. Out of the 118 elements – 94 are metals, 17 are nonmetals and...
Materials and substances are commonly discussed in chemistry, but sometimes it’s hard for kids to understand what makes them different. Let’s go a bit deeper into explaining this. Think about everything around you: stones,...
In chemistry, we frequently encounter terms like valency, variable valency, valence electrons, and valence shells. All of these terms explain with the atoms of other elements to form a molecule. Topics covered: Definition of...
Chemistry is of vital importance to us. Practically there is no human activity which is possible without it. If you observe your daily activities closely then you will find that you are using so many things which are there only due to presence of chemistry.
The classification of the animal kingdom or the Kingdom Animalia, based on characteristics, along with examples is as follows: Vertebrates – animals with a backbone and skeleton system Pisces (Fishes) – Rohu and Shark...
