![]() ![]() My hair is black,īut if I did that, you wouldn't be able to Hair- right over here, my hair isn't yellow,īut it contrasts nicely with the black. And so if you took my hair-Īnd so my hair is carbon, my hair is mostly carbon. Unbelievably small, really unimaginably small. This is really something that I have trouble And you wouldn't beĪble to break that down anymore and still You did the same thingīetter word, particle, that you would call a lead atom. Here, eventually you would get to a gold atom. Smaller chunks of this, eventually, you would Going through the ones that are very relevant to humanity,īut over time, you'll probably familiarize Temperatures and react in certain ways- weĬall them elements. Have these specific properties at certain And so just to getĭifferent substances- these pure substances that Has the properties of carbon? And if you were ![]() Smallest unit, of this stuff, of this substance, that still Smaller chunks, is there some smallest chunk, some Keep breaking down this carbon, into smaller and So these are things that we'veĪll, kind of, that humanity has observed for ![]() The temperature high enough on gold or lead, youĬould get a liquid. Is carbon or oxygen or nitrogen, that seems to have different Type of air particles you're looking at, whether it It looks like there's certain types of air, andĬertain types of air particles. Website, right over there- all of these are in Shown pictures of, here- and I got them all from this To observe how they react with each other inĬertain circumstances. Light in a certain way, or not reflect light, orīe a certain color, or at a certain temperature, be Substances tend to have different properties. They attract because opposite charges of similar magnitude attract one another.įor thousands of years, just looking at ourĭifferent substances. And the number of electrons is typically dictated by the number of protons, because protons have a nearly equal positive charge, in comparison to the aforementioned electrons. Much of these behaviors are due to the number of electrons (negatively charged particles). And again, if you were to break an atom apart into its electrons, protons and neutrons, those building blocks would no-longer exhibit the behavior and properties that they exhibited as a combined mass. Indeed the heavier elements were created in the supernovas of dying stars (we're all made of star dust! how special!) Anyways what conceptually separates an atom from the subatomic particles which comprise it is the fact that when these individual particle come together they assume properties that the particles would lack alone. It is extremely radioactive.An atom is a conglomeration of subatomic particles that were fused together under extreme heats and pressures many millions/ billions of years ago. Oganesson is the element with the highest atomic number (mostly protons) on the periodic table. Only a few atoms of oganesson have been produced, but it is believed that it will be a liquid or solid at room temperature. Oganesson (Og, atomic number 118) presumably would behave like a noble gas but would be more reactive than the other elements in the group.Although colorless under ordinary conditions, radon is phosphorescent as a liquid, glowing yellow and then red. Radon (Rn, atomic number 86) is a heavy noble gas.Xenon is encountered in everyday life in xenon lamps such as strobe lamps and some vehicle headlamps. The pure element is inert and non-toxic, but it forms compounds that may be colored and are toxic because they display strong oxidizing tendencies. Xenon (Xe, atomic number 54) in nature consists of a mix of stable isotopes.Krypton (Kr, atomic number 36) is a dense, colorless, inert gas.Argon is heavy enough that it doesn't readily escape Earth's gravity, so it is present in appreciable concentrations in the atmosphere. Argon is used in lasers and to provide an inert atmosphere for welding and chemicals, but it can form clathrates and has been known to form ions. Argon (Ar, atomic number 18) in nature is a mixture of three stable isotopes.The characteristic reddish-orange glow of signs comes from excited neon. Like all noble gases, neon glows a distinctive color when excited. However, neon ions and unstable clathrates are known. ![]() Neon, like helium, is inert under most conditions. The element is used to make signs and gas lasers and as a refrigerant. Neon (Ne, atomic number 10) consists of a mix of three stable isotopes.Helium is so light it can escape the atmosphere and bleed away into space. The liquid form of the element is the only liquid known to man that cannot be solidified, no matter how low the temperature drops. Helium (He, atomic number 2) is an extremely light, inert gas at room temperature and pressure. ![]()
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