An atom of nitrogen has seven protons in its nucleus. How many electrons does it have? How many total electrons does a neutral Xenon atom have? How many valence electrons are in a chlorine atom? How many valence electrons does an oxygen atom have?
Write the electron configuration for oxygen. How many unpaired electrons does it have in the ground state? Write the electron configuration for Mn2+. How many unpaired electrons does it have? Write the electron configuration for Pb2+. How many unpaired ...
They are thought to be caused by sudden magnetic field changes in areas where the sun's magnetic field is concentrated. They're accompanied by the release of gas, electrons, visible light, ultraviolet light and X-rays. When this radiation and these particles reach the Earth's magnetic field,...
They are thought to be caused by sudden magnetic field changes in areas where the sun's magnetic field is concentrated. They're accompanied by the release of gas, electrons, visible light, ultraviolet light and X-rays. When this radiation and these particles reach the Earth's magnetic field,...
The science behind the northern lights wasn't theorized until the turn of the 20th century. Norwegian scientist Kristian Birkeland proposed that electrons emitted from sunspots produced the atmospheric lights after being guided toward the poles byEarth's magnetic field. The theory would eventually prove...
Computer components, on the other hand, generate heat as a byproduct of moving electrons around. A computer's microchips are full of electrical transistors, which are basically electrical switches that are either on or off. As transistors change their states between on and off, electricity moves...
Earth is surrounded by a blanket of gas (the atmosphere) so, when radioactive particles race through it, they collide with molecules of gases such as oxygen and nitrogen, splitting them apart into electrons and positively charged ions. This is called ionization. Now radiation may be impossible ...
Last timewe talked about how electrons are the “currency” of chemistry and every reaction is a transaction of electrons between atoms. That means that if we really want to understand a reaction, we have to understand where the electrons are (and aren’t). ...
Last timewe talked about how electrons are the “currency” of chemistry and every reaction is a transaction of electrons between atoms. That means that if we really want to understand a reaction, we have to understand where the electrons are (and aren’t). ...
The northern lights occur when electrically charged particles from the sun — mostly electrons and protons— slam into Earth's upper atmosphere at speeds of up to 45 million mph (72 million kph), but our planet's magnetic field protects us from the onslaught. As Earth's magnetic field redire...