| Question |
Answer |
| atom | the structure of of them determines the characteristics of the matter you observe. |
| atomic number | equals the number of protons in the nucleus of an atom. |
| chemical property | characteristics of an element or compound that determines that it will react with another element. |
| compound | a type of matter containing two or more chemical combined elements. |
| density | how highly packed a substance molecules are the mass of an object divided by its volume. |
| electron | one of the three subatomic particles that moves around the nucleus of an atom. |
| element | the form of matter that only consists of only on type of atom. |
| fission | the splitting of heavy atoms to release energy. |
| ion | an atom with an electric charge |
| isotope | atoms of the same element that have a different number of neutron is the neuculi. |
| mass number | the sum of the protons and neutrons in the nucleus of an atom. |
| matter | any thing that takes up space and has mass. |
| mixture | a combination of different substances in which each of the components keeps its on physical properties. |
| molecule | the smallest particle in a compound that still keeps all the properties of the compound. |
| neutron | on of the two particles that makes up the neuculi |
| nuclear energy | and alternate energy source produced from nuclear reactions |
| nuclear waste | radioactive waste material produced by power plants must be safely stored to prevent pollution of the environment |
| physical property | characteristics of an element for a compound that will effect weight color and density. |
| proton | one of the two particles that make up the nucleus of an atom |
| solution | kind of mixture formed when on substance is dissolved in another. |
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