Show:
Intro to Chemistry
Matter and Change
The Periodic Table
Chemical Reactions
Atomic Structure
100
The Study of all chemicals containing carbon.
What is Organic Chemistry?
100
a measure of the space occupied by an object
What is volume?
100
arranged the elements in his periodic table in order of increasing atomic mass
What is Mendeleev?
100
a representative of a chemical reaction
What is chemical equation?
100
the smallest particle of an element that retains its idenity in a chemicl equation
What is atom?
200
the means by which a society provides its memebers with those things needed and desired.
What is Technology?
200
a property that depends on the amount of matter in a sample
What is extensive property?
200
elements are arranged in order of increasing
What is atomic number?
200
a chemical change in which two or more substances reacts to form a single new substance
What is combination reaction?
200
negatively charged subatomic particles
What is electron?
300
the world of objects that are large enough to see with the unaided eye
What is macroscopic?
300
a mixture in which the composition is not uniform throughout
What is heterogeneous mixture?
300
poor conductors of heat and electric current
What is nonmetals?
300
an ion that appears on both sides of an equation and is not directly involved in the reaction
What is spectator ion?
300
the total number of protons and neutrons in an atom
What is mass number?
400
Developed the tools and techniques for working with chemicals.
What is alchemists?
400
another name for a homogeneous mixture
What is solution?
400
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, and Astatine
What is Metalliods?
400
an equation that shows dissolve ionic compounds as dissociated free ions
What is complete ionic equation?
400
one twelfth of the mass of carbon-12 atom
What is atomic mass unit?
500
helped transform chemistry from a science observation to the science of measurement that it is today.
What is Lavoisier?
500
if the composition of a material is fixed, the material is a
What is substance?
500
always smaller than the atons from which they form
What is Cations?
500
shows only those particles involved in the reaction and is balanced
What is net ionic equation?
500
to calculate ______ multiply the mass of each isotope by its natural percent abundance
What is atomic mass?