Forces between molecules

Exercise and reference answers

Questions

1. Question

   Interatomic forces are described as

   Choices

   1. Infinite range
   2. Always repulsive
   3. Short range

   Correct choice

   Short range

2. Question

   For gases those forces can be

   Choices

   1. Neglected
   2. Doubled
   3. Reversed

   Correct choice

   Neglected

3. Question

   They matter most for

   Choices

   1. Vacuum
   2. Solids and liquids
   3. Plasma only

   Correct choice

   Solids and liquids

4. Question

   At a few angstroms molecules

   Choices

   1. Attract
   2. Vanish
   3. Repel

   Correct choice

   Repel

Instructions

Tap the chip that answers each prompt.

Explanation