HMS 7th grade Chemistry Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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the change of appearance, shape, or phase of matter of a substance but do not change its chemical make-up; still same substance | physical change
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a combination of two or more substances that are not chemically combined; can easily separate the parts through physical means | mixture
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a substance that conducts thermal energy(heat) or electric charges well | conductor
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able to be drawn or pulled into a wire | ductility
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a neutral group of atoms held together by covalent bonds; group of 2 or more atoms chemically combined | molecule
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a property of matter that describes a substance based on its ability to change into a new substance with different properties | chemical property
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the amount of matter in a given space or volume; the mass per unit volume of a substance | density
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able to be pounded into thin sheets without shattering | malleability
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the amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature; able to dissolve | solubility
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creates new and different substances | chemical change
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a pure substance composed of two or more elements that are chemically combined | compound
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a mixture that appears to be a single substance but is composed of particles of two or more substances | solution
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a property of matter than can be observed or measured without changing the identity of the matter | physical property
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an arrangement of the elements according to their atomic numbers | periodic table of elements
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the smallest unit of an element that has all the properties of that element | atom
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elements that are shiny, malleable and good conductors of heat energy and an electric current | metals
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the number of protons in the nucleus of an atom | atomic number
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elements that are not shiny and are poor conductors of heat(thermal) energy and electric current | nonmetals
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elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors | metalloids
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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