a form of matter that has its own definite shape and volume
what is "solid"
A state that mass is not created nor destroyed during chemical reaction
what is "conservation of matter"
What is a pure substance that cannot be separated into simpler substances by physical or chemical means.
What is an element?
Matter that exists naturally on earth can be classified as one of THESE physical forms
what is "states of matter"
A process that involves one or more substance changing into new substances
what is a "chemical change"
What is made up of two or more different elements that are combined chemically in a fixed ratio.
What is a compound?
the gaseous state of a substance that is a solid or liquid at room temperature
what is "vapor"
a transition of matter from one state to another
what is "phase change"
when two elements form more than one compound, the masses of one element that combine with a fixed mass of the other element will always be in simple, whole-number ratios
what is Law of Multiple proportions?
A characteristic of matter that can be observed or measured WITHOUT changing the samples composition
what is "physical property"
was the first to use and analytical balance to monitor chemical reactions
who is "Antoine Lavoisier"
a chemical compound always contains the same elements combined in the same proportion by mass, regardless of its source or preparation.
what is "law of definite proportions"
the ability or inability of a substance to combine with or change into one or more other substances
what is "chemical property
a phase that changes with water
whats the water cycle?
a chemical compound always contains the same elements combined in the same proportion by mass, regardless of its source or preparation.
what is chromatography?