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 Ch 1 hrw
Stepp's Chemistry Ch 1 - Matter and Change
| Question | Answer |
|---|---|
| The branches of chemistry are: organic, inorganic, ___, analytical, biochemistry, and ___ chemistry | physical, theoretical |
| Any substance with a definite composition | chemical |
| The study of the properties and changes of matter and their relation to energy | Physical Chemistry |
| Chemistry can be broken in to the following three areas basic research, applied research, and ___ development | technological |
| Mass is a measure of the amount of ___ | matter |
| Matter is anything that has ___ and takes up ___ | mass, space |
| The smallest unit of an element that maintains the properties of that element is a(an) ___ | atom |
| A pure substance that cannot be broken down into simpler, stable substances and is made of only one type of atom is a(an) ___ | element |
| A __ is a substance that can be broken down into simple stable substances. | compound |
| Compounds are made of __ __ __ __ that are chemically bonded | two or more elements |
| There are two kinds of properties of matter: ___ and ___ | intensive and extensive |
| ___ properties depend upon the amount of matter that is present | extensive |
| ___ properties do not depend upon the amount of matter present | intensive |
| A __ property is a characteristic that can be observed or measured without changing the identity of the substance | physical |
| Physical properties describe the substance itself rather than how it can ___ into other substances | change |
| Melting point, boiling pt., conductivity, tensile strength, color, and malleability are are examples of ___ properties | physical |
| A change in a substance that does not involve a change in the ___ of the substance is a physical change | identity |
| Solid, liquid, ___ and ___ are states of matter. | gas, plasma |
| Solids have definite ___ and ___ | shape, volume |
| Liquids have definite ___ but take on the shape of their ____ | volume, container |
| ___ have neither definite shape or definite volume | Gases |
| A high temperature more energetic gas-like state in which the atoms have lost most of their electrons is called ___ | plasma |
| Chemical properties cannot be observed without changing the ___ of the substance because they deal with reactivity | identity |
| A chemical ___ results in the formation one or more different substance with different properties | change (or reaction) |
| Yields, produces, forms, reacts to make, combusts, and decomposes to form, are some of the ways to read the ___ in a chemical reaction | arrow |
| Initial substance that react to form the products are called ___ | reactants |
| Substances formed by the reaction are called ___ | products |
| When physical or chemical changes occur, ___ is always involved. | energy |
| Matter is neither created nor ___ in a chemical reaction | destroyed |
| Energy can be released or absorbed but the total amount remains the same because energy is always ___ according to the Law of Conservation of Energy | conserved |
| When two or more substances are blended together physically but not chemically bonded it is called a ___ | mixture |
| Unlike ___, substances in mixtures retain their individual identities and properties | compounds |
| ___ mixtures have uniform composition | homogeneous |
| Another name for homogeneous mixture is ___ | solution |
| Mixtures that are not homogeneous throughout are called ___ | heterogeneous |
| Pure substances and solutions are both homogeneous but only a ___ has varying composition (concentration) | solution |
| The periodic table can be divided into metals, nonmetals and ___ | metalloids |
| metals, unlike nonmetals are good conductors of both heat and ___ | electricity |
| Noble Gases are elements in the far ___ column of the periodic table that are very nonreactive | right |
| Columns on the periodic table are called ___ and contain elements that are very similar. | groups |
| A ___ is a row on the periodic table. | Family |
Created by:
criswell216
Popular Chemistry sets