Chromium- All about Chromium and its Atomic Characteristics

Chromium Cr Atomic Number 24 Atomic Mass 51.9961 Atomic radius 0.117 Ionization energy 652 Electronic config 2,8,13,1 Principal Valency +3 and +6 Density g/cm3 7.14 Melting point oC 1907 Boiling point oC 2671 Type of Element Metal Electronegativity 1.6 Appearance Gray solid Block d-block Period 4 Group 6 No More...

by admin | Published 4 weeks ago
By admin On Friday, December 2nd, 2016
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Current Affairs today-Israeli Scientists Create Worlds Water Wave Laser

Tel-Aviv Scientists from Israel have created the world’s first ‘water-wave laser’ that emits a beam through the interaction of light and water waves. The study conducted by team of researchers from Technion-Israel More...

By admin On Wednesday, January 13th, 2016
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The Secret behind XY and XX chromosomes in human being

Washington, DC: A recent study has revealed the evolution of X chromosome and why it contains an unusual mixture of genes. In humans, males have XY chromosomes, females have XX but only one of these is active, More...

By admin On Wednesday, December 3rd, 2014
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NASA creates first 3D printed object in space

The world’s first zero-gravity 3D printer on the International Space Station (ISS) has created the first object made using additive manufacturing, paving the way for future long-term space expeditions. “This More...

By admin On Friday, August 31st, 2012
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The eleventh Energy Efficient Summit

The CII held the Eleventh Energy Efficiency Summit in Hyderabad The Confederation of Indian Industry (CII) held the eleventh Energy Efficient Summit in HICC, Novotel Hyderabad. The summit was held between 22 More...

By admin On Sunday, August 26th, 2012
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Neil Armstrong,The Great Men who created a new history in Science has passed away yesterday.

Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut, test pilot, aerospace engineer, university professor and United States Naval Aviator. He was the first person to walk on the More...

By admin On Wednesday, August 22nd, 2012
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SpaceX Dragon — First Private Spacecraft at space station

(IANS) Private American spaceflight company SpaceX  launched an unmanned capsule to the International Space Station, initiating the first flight of a commercial and private spacecraft to the orbiting outpost.On More...

By admin On Thursday, June 28th, 2012
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10 Amazing Science Facts !

1  A thimbleful of a neutron star would weigh over 100 million tons 2  A typical hurricane produces the energy equivalent of 8,000 one megaton bombs 3. We can produce laser light a million times brighter than More...

By admin On Tuesday, May 17th, 2011
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Science Quiz -Important Scientific Terms,Branches of Science etc

Absolute Zero—On the temperature scale is the lowest temperature theoretically possible. The theoretical point is equivalent to— 459•6ºF or—273•16º at which all molecular motion stops. Acupuncture—It More...

By admin On Sunday, February 20th, 2011
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Science Quiz-Quiz based on Physics

1. If one looks into a mirror and finds the image larger than normal, one conclude that the mirror is a. Convex b. Concave Answer : B 2. Microwave frequency band is a. 1-100 MHz b. 100-1000 KHz d. Above 1000MHz Answer More...

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