Category 1
IDENTIFICATION:
This property is described as the distance from the center of an atom’s nucleus to the edge of its electron cloud.
Atomic Radius
What is the trend for Electron Affinity down a group?
Decreasing
IDENTIFICATION:
This refers to the energy required to remove an electron from a specific atom.
Ionization Energy
What is the trend for Electronegativity across a period?
Increasing
What do you call the negatively charged subatomic particle of an atom?
Electron
What is the trend for Atomic Radius across a period?
Decreasing
IDENTIFICATION:
This refers to the energy require to add/gain an electron.
Electron Affinity
What is the trend for Ionization Energy across a period?
Increasing
IDENTIFICATION:
This property refers to the ability of an atom to attract the electrons when the atom is part of a compound?
Electronegativity
What do you call the positively charged subatomic particle of an atom?
Proton
Arrange the following elements according to increasing atomic radius:
[Li] [Be] [F] [Ca] [Br]
[F] [Be] [Li] [Br] [Ca]
Arrange the following elements according to decreasing electron affinity:
[Cs] [Fr] [Hf] [Fe] [Be]
[Be] [Fe] [Hf] [Cs] [Fr]
Arrange the following elements according to increasing ionization energy:
[Mc] [Cl] [As] [Tl] [Se]
[Mc] [Tl] [As] [Se] [Cl]
Arrange the following elements according to decreasing electronegativity:
[Xe] [K] [Mo] [Na] [Ar]
[Ar] [Na] [K] [Xe] [Mo]
What is the reaction between two negative charges?
Repulsion
Arrange the following elements according to decreasing atomic radius:
[Fe] [Sn] [B] [Bi] [Cs]
[Cs] [Bi] [Sn] [Fe] [B]
Arrange the following elements according to increasing electron affinity:
[P] [In] [Hf] [Ga] [W]
[Hf] [W] [In] [Ga] [P]
Arrange the following elements according to decreasing ionization energy:
[Sc] [Mg] [Ba] [Sr] [Sb]
[Mg] [Sc] [Sb] [Sr] [Ba]
Arrange the following elements according to increasing electronegativity:
[Pb] [Pd] [Se] [Al] [Mg]
[Mg] [Al] [Se] [Pd] [Pb]
What is reaction between two opposite charges?
Attraction