Electron Configuration / Orbital Notation
This principle states that electrons fill the lowest-energy orbitals first.
What is the Aufbau Principle?
Elements that are shiny and good conductors of heat and electricity.
What are metals?
The direction on the Periodic Table that causes a decrease in Atomic Radius size?
What is moving from left to right and from down to up on the periodic table.
The group number of the Noble Gases.
What is Group 18?
The maximum number of electrons that can occupy a single orbital.
What is 2 electrons?
Elements with properties between metals and nonmetals.
What are metalloids?
Ionization icreases.
What is moving from left to right on the Periodic Table?
The group number of the Halogens
What is Group 17
The element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴.
What is sulfur's electron configuration?
Group 17 elements, have 7 valence electrons, and are very reactive.
What are halogens?
The trend of electronegativity as you move right to left across a period.
What is decrease?
The four blocks of the periodic table identified in the Element Classes activity.
What are the s-block, p-block, d-block, and f-block?
The next orbital to be filled after 6s2
What is the 4f orbital?
The two families that make up the s-block
What are the alkali metals and alkaline earth metals?
The trend of atomic radius as you move down a group
What is increases?
The staircase line on the periodic table separates these two major classifications.
What are metals and nonmetals?
The configuration of [Kr] 5s24d9
What is the abbreviated configuration of Ag?
Boron, silicon, germanium, arsenic, antimony, tellurium, and polonium?
What are metalloids?
This effect occurs when inner electrons block outer electrons from feeling the full nuclear charge.
What is orbital shielding?
Elements are arranged by increasing __________.
What is increasing Atomic Number.