Which type of bond formed between `NH_(3)andBF_(3)` ?

Two elements X and Y have atomic numbers 12 and 16 respectively. To which period of the modern periodic table do these two elements belong ? What type of bond will be formed between them and why?

Mention the type of compounds formed between group and group 17 elements.

Mention the type of bond formed between the atoms having different electronegativity.

Mention the type of bond formed between the atoms having same electronegativity.

Which type of image is formed on the retina?

How is a peptide bond formed between two amino acida ?

Compare the polarity nature of NH_(3) and NF_(3) .

Give one chemical test to distinguish between CH_(3)CH_(2)NH_(2) and C_(6)H_(5)NH_(2) .