PV solar panelsworkwith one or more electric fields that force electrons freed by light absorption to flow in a certain direction. This flow of electrons is a current, and by placing metal contacts on the top and bottom of the PV cell, we can draw that current off for external use. This...
Write the electron configuration for Mn2+. How many unpaired electrons does it have? Write out the electron configuration for nitrogen. How many unpaired electrons does it have in the ground state? Write the electron configuration for oxygen. How many ...
There are many means of community season, such as writing letters, sending emails, making phone calls by fixing telephone or California sending a message through for real time community with thousands of QQ, MSN or skype, which of these men do you prefer and why? When making a phone call,...
How many electrons could occupy orbitals with the following set of quantum numbers: n = 2. l = 1? For a V^{3+} ion in its ground electronic state: a. How many electrons are there in the 4s orbital? b. How many electrons are there in the 3d orbitals? c. How many unpai...
There are many more free electrons than holes, so the holes fill up very quickly. This creates depletion zones at the boundaries between n-type material and p-type material. In a depletion zone, the semiconductor material is returned to its original insulating state -- all the holes are ...
Do all the free electrons fill all the free holes? No. If they did, then the whole arrangement wouldn't be very useful. However, right at the junction, they do mix and form something of a barrier, making it harder and harder for electrons on the N side to cross over to the P side...
How many electrons does aluminium have? What are the properties of transition metals? What is an element in the third period (row) of the periodic table with four 3p electrons? While balancing a chemical equation, how can one decide which elements to balance...
The interaction between electrons and holes in this setup has an interesting side effect – it generates light! How Can a Diode Produce Light? Light is a form of energy that can be released by an atom. It's made up of many small particle-like packets that have energy and momentum but ...
5. Add the Electrons from Full Subshells to Those From Full Orbitals Add this number to the electrons contained in the lower orbitals. For example, 28 + 2 = 30. 6. Find the Legitimate Vales for the Magnetic Quantum Number Determine how many orientations of the final subshell are possible...
Also, when you have a pair of electrons in a sub-orbital, their combined magnetic fields will cancel each other out. In order to show how many electrons are in each orbital, the following convention is sometimes used: Chlorine has 1s22s22p63s23p5 for a total of 17 electrons. This tells...