Group 2 Flashcards
1
Q
Colour of Ca flame
A
Red/orange
2
Q
Colour of Sr flame
A
Red
3
Q
Colour of Barium flame
A
Pale green
4
Q
How soluble is MgOH
A
Sparingly soluble
5
Q
How soluble is BaOH
A
Soluble
6
Q
How soluble is CaOH
A
Slightly soluble
7
Q
How soluble is SrOH
A
Soluble
8
Q
Reaction of CaCO3 and HCL
A
Produces
CaCl2
H20
CO2
9
Q
State of Magnesium oxide
A
White solid
10
Q
Trend in reactivity with oxygen as you go down group
A
Increase
Less energy needed in 1st and 2nd IE (more shielding)
11
Q
Why is radium not used
A
Radioactive metal
12
Q
State of Calcium oxide
A
White solid
13
Q
Gas produced when reacting with water
A
Hydrogen
14
Q
Indicator colour of Sr and Ba when reacting with water
A
Purple
as concentration of OH goes up
More soluble
15
Q
State of Sr
A
White solid
