Trends
This is a measure of the energy required to remove an electron from an atom.
Ionization Energy
Horizontal rows on the periodic table are called this
Periods
F, Cl, Br, I and At belong to this family of the periodic table.
Halogens
Element with 25 protons.
Manganese (Mn)
Which noble gas has the smallest atom?
Helium
What happens to atomic radius going across the periods from left to right?
Decreases because of the increased nuclear charge
Periodic law states this increasing value of elements on the periodic table reflects periodic trends and properties.
Atomic Number
Elements of this family of the periodic table have six valence electrons.
Chalcogens or oxygen family
Atomic Number of Carbon
6
Another name for Group A elements
Representative Elements
This happens to the size of an atom when going down a group.
Size increases.
This group of elements lacks luster, are brittle, and poor conductors of heat and electricity.
Nonmetals
Family of elements with highest ionization energies.
Noble Gases
79
Alkali Metal with the largest atom.
Francium
Group of elements with low ionization energy and electronegativity.
Metals
Boron, Arsenic, Silicon, Germanium, Antimony, Tellurium are all these.
Metalloids
Most reactive group of elements on the periodic table.
Alkali Metals
Group of elements whose atoms lose 2 valence electrons to become stable.
Alkaline Earth Metals or Group 2/2A
Halogen with the highest electronegativity.
Flourine
Tendency of an atom to pull electrons towards itself is known as this.
Electronegativity
This group of elements tend to gain electrons.
Nonmetals
Non-reactive group of elements having an octet of valence electrons. They are considered to be stable.
Noble Gases
Group of elements that gain one valence electron to become stable.
Halogens
Element in the chalcogen or oxygen family that is found is period 4 of the periodic table.
Selenium