Science Exam – Flashcards
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Prefix for 1,000 |
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kilo |
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Prefix for 100 |
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hecto |
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Prefix for 10 |
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deca |
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Prefix for 1/10 |
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deci |
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Prefix for 1/100 |
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centi |
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Prefix for 1/1,000 |
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milli |
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K H Da ___ D C M |
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King Henry Died Drinking Chocolate Milk |
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A substance made up of 2 or more different substances chemically combined |
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compound |
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The smallest part of an element that still has the characteristics of that element |
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particle |
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A substance made up of only 1 type of atom |
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element |
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Instrument used to measure volume |
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graduated cylinder |
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Matter |
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anything that takes up space |
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Weight |
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the amount of gravity on an object |
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Mass |
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the amount of matter in something's space |
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Sublimation |
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the change of state from a solid to a gas |
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The formula for Density |
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D=M/V |
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Liquid |
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a substance with no definite volume or shape |
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Vaporization |
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when particles in a liquid gain enough energy to form a gas |
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Chemistry |
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the study of the properties of matter and how matter changes |
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H |
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Hydrogen |
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He |
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helium |
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C |
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carbon |
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N |
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nitrogen |
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O |
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oxygen |
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F |
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flourine |
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Ne |
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neon |
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Na |
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sodium |
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Mg |
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magnesium |
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Al |
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aluminum |
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Si |
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silicon |
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P |
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phosphorus |
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S |
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sulfur |
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Cl |
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chlorine |
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Ar |
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argon |
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K |
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potassium |
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Ca |
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calcium |
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Ti |
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titanium |
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Cr |
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chromium |
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Cr |
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chromium |
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Mn |
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manganese |
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Fe |
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iron |
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Co |
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cobalt |
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Ni |
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nickel |
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Cu |
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copper |
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Zn |
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zinc |
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As |
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arsenic |
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Br |
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bromine |
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Ag |
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silver |
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Sn |
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tin |
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I |
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iodine |
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Ba |
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barium |
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Pt |
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platinum |
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Au |
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gold |
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Hg |
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mercury |
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Pb |
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lead |
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Rn |
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radon |
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U |
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uranium |
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Ductile |
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an element that can be drawn into a wire |
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An element needed for healthy blood |
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iron |
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Alloy |
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a metal mixture |
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Reactivity |
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the ease and speed with which one element combines with another |
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Malleable |
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metal that can be hammered into flat sheets |
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The element added to toothpaste and water to prevent tooth decay |
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fluoride |
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Element used to kill bacteria in the water |
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chluorine |
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Proton |
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the positively charged particle in an atom |
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Can tell the number of protons in an atom by the... |
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atomic number |
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The most dangerous type of radiation is... |
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gamma radiation |
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Metalloids |
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elements with the characteristics of both metals and non-metals |
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Noble gases |
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the most stable group of elements |
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Needed for strong bones |
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calcium |
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Isotope |
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an element with the same number of protons, but a different number of neutrons |
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Polar bond |
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a covalent bond in which electrons are shared unequally |
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Polar bond |
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a covalent bond in which electrons are shared unequally |
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Polar bond |
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a covalent bond in which electrons are shared unequally |
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Polar bond |
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a covalent bond in which electrons are shared unequally |
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Metallic bond |
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occurs between transitional metals |
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Double bond |
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two atoms share two pairs of electrons |
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Covalent bond |
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electrons are shared |
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Triple bond |
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atoms share three pairs of electrons |