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Table Terms
Location, Location, Location
Groups
Periods
ID the Element
100
Used to organize the periodic table; equals the number of protons in the atom
What is atomic number?
100
non-metals including halogens and noble gases
What is on the right, but not touching, of the zigzag line?
100
noble gases
What is group 18?
100
goes horizontally on the periodic table?; organized 1-7 by the number of energy levels in the electron cloud in the atom
What is a period?
100
this is an extremely reactive non-metal with one valence electron
What is Hydrogen?
200
these are based on the number of valence electrons in an atom and are numbered 1-18 on the periodic table
What are groups?
200
the Lanthanide Series and the Actinide Series
What is located at the bottom of the periodic table?
200
halogens
What is group 17?
200
this period has the least amount of elements with only two. Its elements have only one energy level and are both non-metals
What is period 1?
200
in group 16, period 2; has 8 protons and necessary for human life on earth
What is Oxygen?
300
this is a model of the atom depicting electrons orbiting the nucleus; shows number of protons, neutrons, and electrons
What is a Bohr model?
300

metalloids

What is touching the zigzag line except for Aluminum and Polonium?

300

a reactive group of all metals with six elements

What is group two?

300
this period contains eight elements and varying levels of reactivity. All of the elements in this period have two energy levels
What is period 2?
300
this element has 7 valence electrons and three energy levels
What is Chlorine?
400
a unit of mass used to express atomic molecular weights; ex: a proton equals one of these in weight
What is an Atomic Mass Unit(or AMU)?
400
transition metals
What is in groups 3-12?
400

an extremely reactive group with one non-metal and six metals

What is group one?

400
the number of energy levels in period 4
What is 4?
400
a noble gas that is used in balloons and is known to make a voice high-pitched
What is Helium?
500
a one, two, or three letter code for an element that is usually derived from the name of the element
What is atomic symbol?
500
hydrogen, which is the only non-metal located with the metals
What is at the top of group 1?
500

a somewhat reactive group with only one metal

What is group 15?

500

this period contains the most naturally-occurring elements, with 32 elements on the 8th grade level periodic table.

What is period 6?

500

made in a lab and not found on earth; has 7 energy levels and 95 protons

What is Americium?