alkaline earth Flashcards
Which block are the alkaline earth metals in
The s block as their outter electron is in the s orbital
What is the trend in atomic radius down group 2
Increase
What is tge trend in ionisation energys down group 2
Decrease
What is the trend in relative nuclear charge down group 2
Decrease due to increased sheilding
What is the trend in melting points down group 2
Decrease
What is the exeption to the trend in melting points down group2
Magnesium as its melting point is low
Why dose the melting point decrease down group 2
The electron density in the lattice decreases due to increased atomic radius
What is the trend in reactivity down group 2
Increase
What is the trend in solubility of hydroxides down group 2
Increase
What is the trend in solubility of sulphates down group 2
Decrease
What hydroxide is used to neutralize stomach acid
Magnesium hydroxide
What sulfate is used in xrays
Barium sulfate
What hydroxide is used in agriculture
Calcium hydroxide
What type id bonding occurs in group2
Metalic
Two example of compounds that neutralise acid
Magnesium hydroxide and calcium hydroxide
