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WorksheetsAlkaline earth metals
Total questions: 15
Worksheet time: 8mins
Where are valence electrons found?
In the first energy level of the electron cloud
In the nucleus
In the outermost energy level in the electron cloud
Alkali metals react with water to form:
Water and metal hydroxide
Water and metal oxide
Metal hydroxide and oxygen
Metal oxide
Which of the following oxides, the most basic is:
MgO.
Na2O.
P2O3.
BeO.
Which compound is used to treat the symptoms of indigestion?
MgO
Mg(OH)2
CaO
Ca(OH)2
Which of these decreases down Group 2?
First ionisation energy
Atomic radius
Number of protons
Reactivity with water
Which one of the following is the electron arrangement of the strongest reducing agent?
1s2 2s2 2p5
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6 4s2
What happens to the reactivity of the alkaline earth metals as you move down their group?
Increases
decreases
stays the same
What happens to the boiling and melting points of the alkaline earth metals as you move down the group?
Increase
decrease
remains the same
The correct increasing order of densities of alkali metals is
Li < Na < K < Rb < Cs
Cs < Rb < K < Na < Li
Li < K < Na < Rb < Cs
K < Na < Li < Rb < Cs
Which one of the following alkali metals is the most metallic?
Li
Na
K
Cs
Which one of the following ions has the largest size in aqueous solution?
Li+
Na+
K+
Rb+
Which of the following hydride is the most stable?
LiH
KH
NaH
CsH
Lime water is an aqueous solution of
MgSO4
Ca(OH)2
CaCO3
CaSO4
Which one of the following chlorides has maximum tendency to form hydrate?
BaCl2
NaCl
MgCl2
LiCl
Which one of the following compounds is the most soluble in water?
Mg(OH)2
Sr(OH)2
Ba(OH)2
Ca(OH)2
