1Atomic Radius _____ moving down a group.
Increases
2Electron Affinity ______ moving down a group.
Decreases
3Ionization Energy ______ moving down a group.
Increases
4Atomic Radius ______ across a period (Left to right).
Decreases
5Electron Affinity ______ across a period (Left to right).
Increases
6Ionization Energy _____ across a period (Left to right).
Increases
7Metallic character ____ from bottom left to right top corner.
Decreases
8Mass number
Protons + neutrons
Atomic number + neutrons
9Neutrons
Mass number - atomic number
10Electron number is equal to ______.
Element number
11Proton number is equal to ______.
Atomic number
12Ionization Energy
The energy needed to remove an electron from an atom or ion in its
gaseous state, measured in kJ/mol.
13Atomic Radius
The distance from the nucleus to the outermost edge of the electron cloud.
14Electron Affinity
The change in energy that occurs when an electron is added to a
neutral atom in the gaseous state, measured in kJ/mol.
15Rows are also called ______.
Periods
16Columns are also called _______.
Groups
17 Ionic radius ______ going from top to bottom.
Increases
18Ionic radius _______ across a period.
Decreases