The noble gases are outliers because their atoms already have the maximum number of electrons, and therefore they don't exchange with other elements. At least, not on Earth they don't, but scientists are discovering that noble gases behave differently in space. The impossible molecules scientists...
When trying to find the number of neutrons, protons or electrons that different chemical species have, the periodic table is your best friend. Take a look at how to use the periodic table as well as nuclear notation to find the number of subatomic particles associated with any chemical species...
From the small AA batteries used in your TV remote to large, industrial power stations that pull electricity directly from a grid, if it stores and transfers electrons, then it can power an electromagnet. Let's start with a look at how household batteries function. Most batteries have two ...
In general, the point of a relay is to use a small amount of power in the electromagnet -- coming, say, from a small dashboard switch or a low-power electronic circuit -- to move an armature that is able to switch a much larger amount of power. For example, you might want the el...
That cost is often passed on to the consumer in the product's price. If "brand name" is important to your image, then buying a brand name is important. However, it is possible to find high-quality sunglasses that don't have a brand-name price. Shops like REI often sells store-brand...
To find out what the unit is capable of, you need to check out its Underwriters Laboratories (UL) ratings. UL is an independent, not-for-profit company that tests electrical and electronic products for safety. If a protector doesn't have a UL listing, it's probably junk; there's a ...
There are holograms on most driver's licenses, ID cards and credit cards. If you're not old enough to drive or use credit, you can still find holograms around your home. They're part of CD, DVD and software packaging, as well as just about everything sold as "official merchandise...
Valence Electrons | Definition, Role & Examples from Chapter 3 / Lesson 3 407K Learn about valence electrons and how to find the number of valence electrons on the periodic table. Discover the role of a valence electron in an atom. Related...
Determine the atom based on the electron configuration [Ar]4s^2 3d^5 4p^1. Determine the atom based on the electron configuration 1s^2 2s^2 2p^6. How to find number of electrons emitted based on energy? Write the electron configuration for the atom. Then explain the distr...
the emitter, base, and collector. by manipulating the flow of electrons across these layers, transistors can control and amplify electrical current. why are semiconductors important in computing? semiconductors are essential in computing because they enable the creation of microchips, which power ...