Periods or Large Periodic Table Sections
Name of a horizontal row (left to right) in the periodic table.
What is a period?
The name of a vertical column (up and down) on the periodic table.
What is a group/ family?
charge of the ions formed from group 1A
What is +1?
an atom that has gained or lost one or more electrons.
What is an ion?
An element or substance that conducts heat and electricity; these make up most of the table.
What is a metal?
Includes any of the metals of group II of the periodic table
What are the alkaline earth metals?
charge of the ions formed from group 6A/ 16
What is -2?
The energy required to remove an electron from an atom.
What is ionization energy?
an element that does not conduct electricity or heat and is usually a gas at room temperature.
What is a nonmetal?
Any of the metals of group 1 of the periodic table.
What are the alkali metals?
charge of ions formed from group 5A elements
What is -3?
electrons that are located in the outermost energy level of an atom.
What is a valence electron?
an element that has some properties of a metal and some properties of a nonmetal.
What is a metalloid?
Any of the non-reactive gaseous elements of the group 18/ 8A.
What are the noble gases?
charge of ions formed from Halogens
What is -1?
One half of the distance between the nuclei of two atoms of the same element when the atoms are joined.
What is atomic radius?
Consists of the lanthanides and actinides; two rows of elements set below the main body of the periodic table
What are the inner transition metals?
Any of the nonmetallic elements from group 17/ 7A that readily form negative ions
What are the halogens?
Charge of group 4A/14 elements.
What is nothing? (do not form ions, mostly carbon)
The ability of an atom of an element to attract electrons when the atom is in a compound.
What is electronegativity?