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Science-1
| Question | Answer |
|---|---|
| Anything that has mass and takes up space. | Matter |
| Smallest particles of an element that still has all the properties of that element. | Atoms |
| Central part of an atom that is made of protons and neutrons. | Nucleus |
| Smaller that an atom. | Subatomic |
| Particle with a positive charge that is part of a nucleus of an atom. | Proton |
| Negatively charged particle that is the smallest of the three main particles that make up an atom. | Electron |
| Number of protons in the nucleus of an atom. | Atomic Number |
| Sum of the protons and neutrons in an atom. | Mass Number |
| Atoms of the same element that have different numbers of neutrons. | Isotope |
| Electron in an atom’s outermost shell or energy level. | Valence Electrons |
| Substance that cannot be broken down chemically into simpler substances and is made up of only one type of atom. | Element |
| Table in which elements are arranged in order of increasing atomic number. | Periodic Table |
| Inert or un-reactive element in group 18 of the periodic table. | Noble Gas |
| Element that is usually shiny, is a good conductor of heat and electricity, and can be hammered into different shapes or drawn into a wire. | Metal |
| Element that is not shiny, usually does not conduct heat or electricity well, and cannot be pounded into different shapes or drawn into a wire. | Nonmetal |
| Elements that have some properties of both metals and nonmetals. | Metalloid |
Created by:
tohunter
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