s-Block ElementsMedium
Question
The correct statement is
Options
A.Magnesium has a maximum covalency of four.
B.Aluminium has five valence orbitals.
C.Boron has a maximum covalency of four.
D.Beryllium has three valence orbitals.
Solution
Sol. [Key Concept: Evaluating the correct statement]
• Aluminium has nine valence orbitals
- Beryllium has four valence orbitals
- Magnesium has a maximum covalency of six.
- Boron has maximum covalency of four
Create a free account to view solution
View Solution FreeMore s-Block Elements Questions
Sodium burns in dry air to give :...Match the compounds /metal in (X) with their uses in (Y) : X YA. liquid sodium metal I breathing apparatus in submarineB...Flame test is not given by...Sodium sulphate is soluble in water but barium sulphate is sparingly soluble because :...A compound X on heating gives a colourless gas. The residue is dissolved in water to obtained Y. Excess CO2 is bubbled t...