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Chemistry/Physical S
Atoms & The Periodic Table
Question | Answer |
---|---|
Atom | The basic unit of a chemical element made up of three subatomic particles. |
Proton | Positive charge atomic subatomic particle found in the nucleus of an atom. |
Neutron | No charge or neutral atomic subatomic particle found in the nucleus of an atom. |
Electron | Negative charge atomic subatomic particle found outside the nucleus of an atom. |
Atom Nucleus | Structure located in the center of an atom made up of protons and neutrons. |
Periodic Table | Table that provides information and organizes all the elements. |
Atomic Number | Found on the periodic table that is equal to the number of protons. Also a whole number. |
Atomic Mass (Weight) Number | Found on the periodic table that is the sum "total" number of protons and neutrons in the nucleus of an atom. Usually in decimal form. |
Families (Groups) | The vertical columns of elements on the periodic table numbered from 1 - 18. |
Periods | The horizonatal rows of elements on the periodic table numbered from 1 - 7. |
Metals Periodic Table Location | Found on left side of zigzag line on the periodic table. Hydrogen is on left side but is not a metal. |
Nonmetals Periodic Table Location | Found on right side of zigzag line on the periodic table. |
Metalloids | Have properties or characterisitcs of both metals and nonmetals. Found along "touching: the zigzag line. Aluminum touches the zigzag line but is a metal. |
Hydrogen Symbol | H |
Carbon Symbol | C |
Nitrogen Symbol | N |
Oxygen Symbol | O |
Silicon Symbol | Si |
Copper Symbol | Cu |
Aluminum Symbol | Al |
Silver Symbol | Ag |
Magnesium Symbol | Mg |
Gold Symbol | Au |
Zinc Symbol | Zn |
Phosphorous Symbol | P |
Chlorine Symbol | Cl |
Iron Symbol | Fe |
Potassium Symbol | K |
Sodium Symbol | Na |
Iodine Symbol | I |
Sulfur Symbol | S |
Calcium Symbol | Ca |