Element Families
The element group that is in the first row with properties of shiny, soft, and metallic
Alkali Metals
Ions in group 1
1 valence electron
Cationic radii _____ going down a group, and _____ across a period.
Cationic Raddi increases going down a group, and decrease across a period.
The type of bond between 2 elements is determined by the difference of...
The element group of the last column, of which are all gases and unreactive.
Noble Gases
Ions in group 3
2 valence ions
Does oxygen have a larger or smaller cationic radius than lithium?
Oxygen had a smaller cationic radius.
What type of bond is it if the difference is greater than 2?
Ionic bond
The element group that are in columns 3-12 with properties of high density, high boiling point, and a high melting point
Transition Metals
Ions in group 15
5 valence electrons
Does strontium have a larger or smaller cationic radius than silver?
Strontium has a larger cationic radius.
What is the type of bond if the difference is less than 2?
Covalent Bond
This element group is the second column and are metallic solids, with high thermal and electrical conductivity.
Alkaline Earth Metals
Ions in group 16
6 valence electrons
Does chromium have a larger or smaller cationic radius than tungsten?
When sharing electrons in a bond are unequal what type of covalent bond is it?
A polar covalent bond
This elemental group is in column 17 with non reactive metals
Halogen
Ions in group 17
7 valence electrons
Does Mercury have a smaller or larger cationic radius than Zinc?
Mercury has a larger cationic radius.
When sharing electrons in a bond are equal what type of covalent bond is it?
Non polar covalent bond