Bohr's postulates

Exercise and reference answers

Questions

1. Question

   In a stationary orbit the electron

   Choices

   1. radiates continuously
   2. is at rest
   3. does not radiate energy

   Correct choice

   does not radiate energy

2. Question

   Bohr's postulates were framed for

   Choices

   1. hydrogenic atoms
   2. all molecules
   3. solids

   Correct choice

   hydrogenic atoms

3. Question

   Bohr's model was built to explain

   Choices

   1. chemical bonding
   2. line spectra and stability
   3. radioactivity

   Correct choice

   line spectra and stability

4. Question

   Bohr's second postulate concerns the electron's

   Choices

   1. mass
   2. charge
   3. angular momentum

   Correct choice

   angular momentum

Explanation