Which element is used in light bulbs as filament

The 1996 Nobel Prize in Physics was awarded to Douglas Osheroff, Robert Richardson, and David Lee for discovering superfluidity (apparently frictionless flow) in 3 He. When 3 He is cooled to 2.

Where does an element take it's density from

How many grams of glucose are needed to prepare 400. ml of a 2.0% (m/v) glucose solution?

One gallon of gasoline in an automobile's engine produces on the average 9.5 kg of carbon dioxide, which is a greenhouse gas; that is, it promotes the warming of Earth's atmosphere.

Visible light travels at a speed 3.0 * 108 of m/s. If red light has a wavelength of 6.5 * 10-7 m, what the frequency of this light?

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

What is the main purpose of a particle accelerator?

Is this statement true or false? Bases feel slippery. A. True B. False

why blue intensity of copper (2) sulphate will decrease in a voltaic cell with zinc electrode in zinc sulphate solution and copper 2sulphate solution with copper electrode in it (with salt bridge)

What is the charge for MnO4