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24 Cards in this Set

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compound

is formed when two or more elements chemically combined

mixture

is formed when two or more substances do not chemically combine

solution

is formed when one substance dissolves in another

soluble

meaning "being able to dissolve"

ratio

to form a compound, the exact amount of each element must be used. That is described a needing a definite

solvent

the substance in which a substance will dissolve

metals

elements which are ductile, malleable, and good conductors

nonmetals

are bad conductors, not malleable, and not ductile

metalloids

they are between metals and nonmetals

molecule

the smallest amount of a compound

atom

the smallest amount of an element

concentrated

solutions which have a great amount of solute but very little solvent

saturated

all the space has been full extras goes to the bottom

suspension

a mixture in which the particles are too big to dissolve and will eventually sink to the bottom

colloids

is a mixture in which the particles are dispersed throughout but are not heavy enough to settle out

Cobalt metals at 1,495 degrees. Is it physical or chemical property?

Physical Property

The definite ratio in a compound compares the ____ of the elements.

mass

distillation

separating a mixture based on its different boiling points

a centrifuge separates mixtures which have ingredients of different _______.

densities

insoluable

is the word means unable to dissolve

If every empty space in salt water has been filled by salt, where will an additional salt go that is added?

to the bottom

give an example of gas dissolving in a gas

oxygen in nitrogen = dry air

Elements on the Periodic Table are listed in what order?

Atomic Number

The mass of an atom of an element is measured in a unit called?

atomic mass unit or amu