Periodic Table Groups I
Group 2 elements are called this.
What are alkaline earth metals?
The element in Period 5, Group 11.
What is silver?
These have properties in between metals and nonmetals and are located on the stairstep.
What are metalloids?
The energy needed to remove an electron.
What is ionization energy?
In groups, atomic radius ____ (increases/decreases) and, in periods, atomic radius ____ (increases/decreases).
What is increases and decreases?
Elements in Groups 3 - 10 are called this.
What are transition metals?
The scientist who pioneered the Periodic Table of Elements.
What is Dimitri Mendeleev?
These are good conductors of heat and electricity and are malleable.
What are metals?
The tendency of an atom in a chemical bond to pull electrons towards itself.
What is electronegativity?
Half of the atomic size.
What is atomic radius?
Another name for the group of unreactive gases.
What are noble gases (group 18)?
The most reactive group of metals
What are the alkali metals?
These are poor conductors of heat and electricity and shatter easily.
What are nonmetals?
Between P, F, and Se, the one that has a higher electronegativity?
What is fluorine?
In groups, electronegativity ____ (increases/decreases) and, in periods, electronegativity ____ (increases/decreases).
What is decreases and increases?
Fluorine belongs to this group.
What are halogens?
The most reactive group of nonmetals.
What are halogens?
Hydrogen is classified as this.
What is a nonmetal?
Between Cl, I, and Br, the one that has a higher ionization energy?
What is chlorine?
In groups, ionization energy ____ (increases/decreases) and, in periods, ionization energy ____ (increases/decreases).
What is decreases and increases?
Potassium belongs to this group.
What is alkali metals?
Elements in the same group have similar....
What is properties?
Most of the elements on the periodic table are classified as this.
What are metals?
Between Sc, Ga, and Br, the one that has a larger atomic size.
What is scandium?
Between C, Si, and Ge, the element that has a smaller atomic radius.
What is carbon?