WebC. A chemical reaction occurs because heat and light are given off. Burning a piece of wood in fire can be best described as a. A. chemical change because the atoms in wood change their state. B. physical change because the atoms in wood are turned into a gaseous product. C. chemical change because the atoms in wood and oxygen are rearranged. WebJan 13, 2012 · Stars create new elements in their cores by squeezing elements together in a process called nuclear fusion. First, stars fuse hydrogen atoms into helium. Helium atoms then fuse to create...
Which statements belong to Dalton’s atomic theory? Select four …
WebAnswer (1 of 5): YES! There are two ways this happens: 1) Nuclear Fusion Here two light elements combine together to form a heavy atom. eg. H + H -----> He 2) Nuclear Fission … WebMatter cannot be created nor destroyed in a chemical reaction. The total mass of the reactants must equal the total mass of the products. The number of atoms stays the same during a chemical reaction so new atoms cannot be created. Yes: an unbalance equation would still follow this rule. nelson mandela long walk to free
Can atoms be created? Physics Forums
WebSep 26, 2012 · (LiveScience) Scientists in Japan think they've finally created the elusive element 113, one of the missing items on the periodic table of elements. Element 113 is an atom with 113 protons in its... WebJan 5, 2024 · New physics at the electroweak scale could greatly enhances the amount of C - and CP -violation in the Universe, leading to an asymmetry between matter and … WebNov 2, 2007 · To create water, oxygen and hydrogen atoms must be present. Mixing them together doesn't help; you're still left with just separate hydrogen and oxygen atoms. ... As it approached New Jersey May 6, … nelson mandela long walk to freedom essay