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The electron sea theory-

The cations in a metallic solid remain in stationary crystalline positions while the valence electrons from each metal are free to wander throughout the entire solid. Electrons are able to freely move around the entire solid. This helps with conducting electricity as well as dispersing heat. 

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The earths magnetic field comes from the earths moving iron core... Or at least thats what scientists think so far. There is evidence because scientists have tested their hypothesis using a model of earth with what we think is in the inner core. The model had the cores moving around and a small magnetic field … Read more
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Carbon 12 is the mass number of Carbon. The mass number is the number of protons plus neutrons in that particular element. So this means that Carbon 12 has a total of 12 protons and neutrons. But how do you find out how many protons there are? Well if you look at the periodic table … Read more
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Well....if you look at the two words (nanometers and centimeter) what is similar?the answer would be the "meter" part and of course the difference would be the "nano" and the "centi." But what does "nano" and "centi" mean?They are prefixes in front of the meter that explains how many OF that meter there are.let me give … Read more
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Every cell in your body has 23 pair chromosomes (46 total chromosomes). Meiosis is the process where your cells split in two and each has one chromosome from the original pared chromosomes. This cell ends up being (for males) sperm and eggs for females. In sexual reproduction, only one of the many sperm … Read more