Section 2 Flashcards
Lanthanides
Shiny metals similar to group 2 (alkaline metals)
Where are metalloids located
Between metals and non metals in the p block
Actinides
Between actinium and rutherfordium. They are all radio active
Electrons affinity
Energy change that occurs when an electron is acquired by a neutral atom, and it increases across periods
Positive ion, and how can it decrease in atomic radius
Cation. The loss of one or more electrons always leads to a decrease in atomic radius
Negative ion and how it’s increases in atomic radius
Anion, one or more electrons always leads to an increase In atomic radius
Electro negativity
An atom in a chemical compound to attract electrons from another atom in the compound
Ionization energy
Ions gaining electrons
Electro negativity
Atom in a compound gaining an electron