Quick picks on the p-block

Exercise and reference answers

Questions

1. Question

   Group 15 opens with:

   Choices

   1. Nitrogen
   2. Bismuth
   3. Arsenic

   Correct choice

   Nitrogen

2. Question

   Sodium nitrate is called:

   Choices

   1. Indian saltpetre
   2. Chile saltpetre
   3. Rock salt

   Correct choice

   Chile saltpetre

3. Question

   Arsenic and antimony are:

   Choices

   1. Metals
   2. Non-metals
   3. Metalloids

   Correct choice

   Metalloids

4. Question

   Liquid dinitrogen boils at about:

   Choices

   1. 77 K
   2. 90 K
   3. 40 K

   Correct choice

   77 K

5. Question

   The plus three state gains stability due to the:

   Choices

   1. Tyndall effect
   2. Inert pair effect
   3. Screening effect

   Correct choice

   Inert pair effect

Instructions

Tap the correct answer before the round moves on.

Explanation