Periodic Table
Matter and Atoms
Vocabulary
Types of Matter
Notes
100
O.
What is the atomic symbol for oxygen?
100
Democritus.
Who came up with an early idea of matter?
100
A particle with a positive charge?
What is a proton?
100
Gases in the air, ores in rocks, and liquids like water.
What do elements make up?
100
Shiny with a metallic luster. Conduct electricity. All solid except for mercury.
What are the characteristics of metals?
200
79.
What is the atomic number of Gold?
200
He also explored the "stuff" part of Democritus's idea.
What did Proust do???????
200
A particle with no charge at all.
What is a neutron?
200
1,2,or 3 letter abbreviations of elements.
What is are chemical symbols?
200
Dull, bad conductors of heat and electricity, most are gases, brittle
What are the characteristics of nonmetals?
300
The number of protons which equals the number of electrons.
What is an atomic number?
300
Electrons.
What is around the nucleus?
300
A negatively charged particle that moves around the outside of the nucleus.
What is an electron?
300
They are used for elements that have not been formally named.
What are temporary names used for?????
300
All solid, some are shiny, conductors but not as well as metals.
What are the characteristics of metalloids?
400
The number of protons plus the number neutrons.
What is an atomic mass?
400
Protons and neutrons.
What is in the nucleus?
400
Found in the center of the atom and contains protons and neutrons.
What is a nucleus?
400
Symbols and number that tell what elements are in a compound and their ratios.
What is a chemical formula?
400
Mixtures that are consistent throughout.
What are homogeneous mixtures?
500
List the types of elements in the periodic table.
What are metals, nonmetals, and metalloids.
500
Dimitri Mendeleev
Who is the father of modern science?
500
Atoms of the same element that has a different number of neutrons.
What is an Isotope?
500
A mixture.
What kind of combination is a salad.
500
A mixture that is inconsistent throughout.
What is a heterogeneous mixture?
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