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Introduction to Chemistry
Concepts of Matter
The Structure of the Atom
Introduction to the Periodic Table
More on the Periodic Table
100
The study of compounds containing carbon.
What is organic chemistry?
100
Liquid, solid & gas.
What are the three physical states of matter?
100
Protons + Neutrons.
What is the formula to find the mass number?
100
Noble gases.
What group is non reactive?
100
Metals, metalloids and nonmetals.
What are the three main classes of elements?
200
An educated guess.
What is a hypothesis?
200
It is composed of two or more pure substances.
What is heterogeneous matter?
200
When atoms have different atomic masses or mass numbers.
What is an isotope?
200
Li and Na.
What are examples of Alkali metals?
200
An element that pairs up with itself.
What is a polyatomic molecular element?
300
1) Observing & stating a problem 2) Make a hypothesis 3) Have a controlled experiment 4) Record your data 5) Make a conclusion 6) Plan further experiments
What is the Scientific Method?
300
Energy that is being used while in motion.
What is kinetic energy?
300
A man who proposed an atomic theory based on experimentation and chemical laws.
Who is John Dalton?
300
Bohr diagram
What is the name of the model we use for an atom?
300
The ability to attract electrons. Determines whether an atom gains, loses or shairs electrons.
What is electronegativity?
400
1) Organic 2) Inorganic 3) Analytical 4) Physical 5) Biochemistry
What is the five branches of chemistry?
400
Food coloring added into a glass of water.
What is an example of a physical property?
400
Electrons (e-), Protons (p+) and Neutrons (n).
What are the three subatomic particles that make up an atom?
400
Hydrogen, Nitrogen, Oxygen, Florine.
What is an example of a polyatomic molecular element?
400
The size of an atom.
What is the atomic radius?
500
We study new pathways in the photodecomposition of the dioxins and PCB's and other aromatic compounds of environmental significance.
What is an example of Physical Chemistry.
500
A car rusting.
What is an example of a chemical property?
500
The electrons in the highest or outermost energy level.
What are valence electrons?
500
Similar chemical properties & similar electronic configurations.
What is similar about elements in the same group?
500
Dmitri Mendeleev.
Who created the periodic table?