Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chemistry Vocabulary
Vocabulary for Classification of Matter Unit 1
| Term | Definition |
|---|---|
| acid | a solution with a pH less than 7 |
| atom | the smallest part of an element that has the chemical properties of that element |
| balanced chemical equation | a chemical equation that has the same number of each kind of atom in the reactants as in the products |
| base | a solution with a pH greater than 7 |
| boiling point | the temperature at which a liquid boil |
| brittle | tending to break or shatter easily |
| Chemical change | a change in matter that results in the formation of one or more new substances that have new chemical and physical properties |
| Chemical equation | a way of using chemical formulas and chemical symbols to describe the changes that occur in a chemical reaction |
| Chemical formula | a way of using chemical symbols & subscripts to identify the number of atoms of each element in a molecule |
| Chemical property Chemical symbol: a shorthand name for an element | a characteristic that describes how a substance will react (combine) or not react chemically with other substances |
| Chemical reaction | a chemical change that results in the formation of one or more new substances |
| Chemical symbol | a shorthand name for an element |
| Coefficient | a number written before a chemical formula that shows how many molecules of that substance are involved in a chemical reaction |
| Density | a measure of the mass of a substance compared to its volume |
| Family | the elements found in a vertical column in the periodic table of elements |
| Indicator | a substance that can be used to determine if a solution is acidic, basic, or neutral |
| Malleable | able to be hammered into different shapes |
| Compound | a pure substance composed of two or more elements that are chemically combined |
| Conductor | a material that allows heat or electricity to move through it easily |
| Ductile | able to be drawn or stretched into thin wire |
| Element | a pure substance that cannot be changed into a simpler substance |
| Heterogeneous mixture | a mixture that is not uniform throughout |
| Homogeneous mixture | a mixture in which the substances are evenly mixed |
| Law of conservation of matter | the law which states that in a chemical reaction, matter is neither created nor destroyed |
| Luster | the tendency to reflect light |
| Matter | anything that has mass and takes up space |
| Melting point | the temperature at which a solid changes to a liquid |
| Mixture | a combination of two or more pure substances |
| Nonconductor | a material that does not allow heat or electricity to move through it easily |
| pH | a measure of how acidic or basic a substance is |
| Physical property | a characteristic of a substance that can be observed and measured without changing the substance |
| Pure substance | a substance made up of only one kind of atom or molecule |
| State of matter | the physical form in which matter exists |
| Molecule | a particle that forms when two or more atoms are held together by a chemical bond |
| Neutral solution | a solution with a pH of 7 |
| Period | a horizontal row of elements in the periodic table |
| Periodic Table of elements | a chart that arranges elements according to their chemical and physical properties |
| pH scale | a scale, ranging from 0 to 14, that measures how acidic or basic a solution is |
| physical change | a change that alters the physical properties of a substance without changing the composition of the substance |
| Precipitate | a solid substance that forms when two solutions are combined |
| Product | a new substance formed by a chemical reaction |
| Reactant | a substance that is broken apart or joined with another substance by a chemical reaction |
| Solution | a homogeneous mixture in which the particles are too small to be seen easily |
| Subscrip | a number, written below and to the right of an element, that shows how many atoms of each element are in a molecule |
Created by:
mbowles
Popular Chemistry sets