2.11 - Group II Elements and Their Compounds Flashcards
1
Q
S-block Element Definition
A
An element which has an atom with highest energy / outer electron in an s-subshell (orbital).
2
Q
Solubility Definition
A
The maximum mass of solute that will dissolve in 100g of solvent at a stated temperature.
3
Q
Group 2 is more commonly known as …
A
The alkaline Earth Metals
4
Q
Why are group II elements regarded as s-block elements?
A
As their outer shell (highest energy) electrons are in an s subshell.
5
Q
Explain the trend in atomic radius in group II
A
Atomic radius increases down a group - as the outer shell electrons are further from the nucleus
6
Q
Explain the trend in electronic configuration in group II
A
The atoms of these elements all have an electronic configuration which ends in s^2.
