3.2.1: Group 2 Flashcards
1
Q
Why is barium more reactive than calcium ?
A
Barium has more shells (more shielding and larger atomic radius). Barium has a lower nuclear attraction so lower ionisation energy
2
Q
Give 2 observations if a less reactive group 2 metal is used instead of a more reactive one
A
-Less vigorous effervescense
- Solution is less alkaline
3
Q
Give the formula for barium chloride
A
BaCl2
4
Q
What type of reaction is when calcium carbonate is turned into calcium oxide ?
A
Thermal decomposition
5
Q
A
