True or false on the periodic table

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   The Law of Triads worked for every element.

2. Statement is true

   Yes

   Statement

   Octaves held only up to calcium.

3. Statement is true

   No

   Statement

   Atomic mass is more fundamental than Z.

4. Statement is true

   No

   Statement

   Noble gases are highly reactive.

5. Statement is true

   Yes

   Statement

   The d-block elements are all metals.

6. Statement is true

   Yes

   Statement

   Atomic size falls across a period.

Instructions

Decide whether each statement is true or false.

Explanation