What is atomic radius?
An atomic radius is half the distance between adjacent atoms of the same element in a molecule. Explanation The Atomic... View Article
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How does the oxidation state of the element differ as compared to its place in the periodic table?
The only consistent variation of oxidation numbers with the Periodic Table is that, in their compounds , Group 1 metals... View Article
What is electronegativity?
Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons toward... View Article
What is ionization enthalpy?
The enthalpy change associated with the removal of the first electron from an isolated gaseous atom in its ground state... View Article
What is electron gain enthalpy?
Answer: Electron gain enthalpy is defined as the amount of energy released when an electron is added to an isolated... View Article
How is the area of a rectangle or a triangle connected to a circle?
A diagonal of a rectangle separates the rectangle into two congruent triangles. The area of each triangle is one-half the... View Article
Write a note on triangular and square numbers
Let us consider the following series of numbers. 1, 4, 9, 16, 25, … If we represent each number of... View Article
How many things do we need to know to construct a quadrilateral?
In construction of quadrilaterals, we will learn how to construct a quadrilateral. We know that a quadrilateral has ten parts... View Article
What are the difference between fractions and ratios?
Ratio In mathematics, a ratio is defined as a tool used to compare the size of two or more quantities... View Article
What are algebraic identities?
The algebraic identities are given below. Algebraic Identities (a+b)2 = a2+2ab+b2 (a−b)2 = a2−2ab+b2 (a+b)(a–b) = a2–b2 (x+a)(x+b) = x2+(a+b)x+ab... View Article
What is inverse proportion?
Two quantities a and b are said to be in inverse proportion if an increase in the quantity a, there... View Article
How silk is produced from silkworm ?
Here is a step-by-step guide to the process in which silk is produced Seri culture This is the term used... View Article
Explain what is fire.
Fire is the product from a chemical reaction between oxygen in the atmosphere and some sort of fuel (wood or... View Article
Write a note on mitochondria
Mitochondria are membrane-bound organelles present in the cytoplasm of all eukaryotic cells, that produces adinosine triphosphate (ATP), the main energy... View Article
What are endocrine glands?
The Endocrine System is responsible for the chemical coordination. Numerous involuntary physiological activities are under the control of the endocrine... View Article
Write a note on the pollution of Taj mahal
The Taj Mahal of Agra is one of the Seven Wonders of the World for reasons more than just looking... View Article
How to measure motion?
To measure motion, an object must have movement. This is defined as starting from one location in space and ending... View Article
What is Kepler’s law?
Kepler’s three laws of planetary motion can be described as follows: The path of the planets about the sun is... View Article
What causes the different shapes of the moon to occur? How does the moon orbit the earth?
The moon takes about 27.3 days to orbit Earth. As the moon orbits Earth, the arrangement of the sun, Earth,... View Article
What is the difference between incandescent and LED bulbs?
Incandescent lamp An incandescent lamp generates light when electric current heats a tungsten filament wire so that it glows, or... View Article
