Flashcards in Chapter 1: Matter, measurements and calculations Deck (33):
anything that has mass and occupies space
measurement of the amount of matter in an object
independent of the location of an object.
ie: An object on earth has the same ___ as the same object on the moon
___has definite volume and shape; atoms or molecules have strong attraction
___has a definite volume and shape of the container; atoms or molecules have medium attraction
___expands to fill it's container; has no definite volume, or shape; atoms or molecules have weak attraction
____can be observed or measured without changing the type of matter present, ie: color, taste, hardness, size, ability to mix with other substances
___are properties that matter describe how it might change into other types of matter: ie: flammability, chemical reactivity
___changes in matter that do not change the type of matter, ie: mixing, boiling, melting, freezing, cutting, crushing
___changes in matte that DO change the type of matter, ie: burning, cooking, changing color
Which theory describes the following?
All matter is made up of atoms
Elements are made up of atoms that are identical
Compounds are combinations of atoms of 2 or more elements
Every molecule of a specific compound always contains the same # of atoms in each kind of element found in the compound
In chemical reactions, atoms are rearranged, separated, combined but are never created or destroyed
Dalton's 1808 Atomic Theory
All matter is made up of tiny particles called__
substances are called ___ which are made up of atoms that are all identical
substances called ___are combinations of atoms of two or more elements
every molecule of a specific comound always contains the same number of ___of each kind of element found in a compound
In chemical reactions, atoms are rearranged, separated, or combined but are never ___ nor ___
created nor destroyed
elements are pure substances that are made up of ____molecules or individual atoms of the same kind
Oxygen and cupper are examples of what kind of molecules?
compounds are pure substances that are made up of ___ molecules or individual atoms (ions) of 2 or more different kinds
Wate and table salt are examples of what kind of molecules?
____is the smallest particle of a pure substance that is capable of a stable independent existence
Molecules are limited number of atoms held together by a force called
smallest unit of matter that retains the same properties as the bulk matter
contains 2 atoms
contains 3 atoms
contains more than 3 atoms
molecules with only one type of atom
molecules with more than one type of atom
contain 2 or more pure substances
not necessarily bonded together
uniformly mixed, even distribution of the pure substances that are mixed
unevenly mixed, UNeven distribution of the pure substance that are mixed.
will settle into layers
Water boils at?
212 degrees Farenheight
100 Degrees Celsius