Properties of hydrogen, alkali and alkaline earth metals.
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Q1 · Hydrogen and s-Block Elements · EASY
The most reactive metal in the alkali metal group is (excluding the radioactive Fr):
Q2 · Hydrogen and s-Block Elements · MEDIUM
The two main allotropic forms of dihydrogen differ in the relative orientation of nuclear spins. They are called:
Q3 · Hydrogen and s-Block Elements · EASY
Which alkaline earth metal has the highest hydration enthalpy among the following?
Q4 · Hydrogen and s-Block Elements · MEDIUM
Sodium metal is stored under kerosene oil because it:
Q5 · Hydrogen and s-Block Elements · HARD
The diagonal relationship between lithium and magnesium is due to their similar: