Elements
the element whose symbol is H
what is hydrogen?
Its a physical combination of two or more substances that blend together without forming a new substance.
What is a Mixture?
The amount of matter in an object.
What is mass?
It is the smallest particle of an element that still has the same chemical properties of the element.
What is an Atom?
You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
3.0 g/cm3
The element whose symbol is Li
What is Lithium?
Its a a mixture that you can visibly see and easily separate.
What is a heterogeneous mixture?
It is the measurement of the pull of gravity on a(n) object.
What is weight?
The person who originally arranged the elements in the order of their atomic masses.
Who is Dmitri Mendeleev?
The formula for density
d=m/v
The element whose symbol is Fe
What is iron ?
Its a heterogeneous mixture made of parts that separate upon standing.
What is a suspension?
It is the amount of space that matter takes up.
What is Volume?
The person who's experiment indicated that matter must be made of tiny particles (atoms) with spaces between them.
Who is Dalton?
another density formula
m=dxv
The element whose symbol is O
What is Oxygen?
It is a suspension of two liquids that usually do not mix together.
What is a emulsion?
It is the definite amount of space and also a define shape.
What is a liquid?
It has no positive charge;they are neutral.
What are protons?
density formula x2
v=mxd
The element whose symbol is Ar
It is a stable mixture in which small, fine particles of one material are scattered throughout another material, blocking the passage of light without settling out.
What is a colloids?
It is the measurement of ho much mass fits within a certain volume.
What is Density?
The number of protons in an atom of an element.
What is atomic number?
x2
m=dxv