Boron is an element with atomic number 5. Write down some compounds of boron.

Boron is an element with atomic number 5. Write down the electronic configuration of boron.

Boron is an element with atomic number 5. Mention any two uses of boron.

Hardest compound of boron is

IUPAC has made some recommendations to name elements with atomic number above 100. what would be the name for the elements with atomic number 104 ?

The element Cu with atomic number 29 undergoes chemical reaction to form an ion with oxidation number +2. a) Write down the subshell electronic configuration of this ion? b) Can this element show variable valency? Why? c) Write down the chemical formula of one compound formed when this elemrnt reacts with chlorine (Cl_17)

The element Cu with atomic number 29 undergoes chemcial reaction to formation with oxidation number +2: Write downthe chemical formula of one compound formed when this element re-acts with chlorine ("17CI) .

The electronic configuration of some element are given below you are familiar with the compounds of these elements. Write the names of some compounds? .

Borax, orthoboric acid and diborane are some useful compounds of boron. Explain the structure of diborane using a diagram.