Vocablary Test 2 Flashcards
Chemistry
Study of the properties of matter and how matter changes
Matter
Anything that has mass and takes up space
Substance
A single kind of matter that is pure( specific matter)
Physical Property
A characteristic of pure substance that can be observed without changing it into another substance
Chemical property
A characteristic of a pure substance that describes its ability to change into different substances
Element
A pure substance that cannot be broken down into any other substance
Atom
Basic particle from which all elements are made
Chemical bond
A force of attraction between two atoms
Molecules
Groups of two or more atoms held together by chemicals bonds
Chemical formula
Shows the elements in compound and the ratio of atoms
Compound
A pure made of two or more elements chemically combined in asset ratio
Mixture
Made of two or more substances
Heterogenous mixture
Can see different parts
Homogenous mixture
Evenly mixed and can’t see different parts
Weight
Measure of the force of gravity
Mass
Measurement of the amount of matter in an object
Volume
Amount of space that matter occupies
Density
Relates the mass of a material in a given volume
International system of units
Used to measure the properties
