Match the family name with the A group.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
noble gas family | arrow_right_alt | IA (1A) |
alkali family | arrow_right_alt | II A (2A) |
alkaline earth metal family | arrow_right_alt | VII A (7A) |
halogen family | arrow_right_alt | VIII A (8A) |
Check all representative elements.
There are two liquid elements at room temperature. Write the name of the nonmetallic element.
Check all TRUE statements.
Elements that have low specific heat capacities, are ductile and malleable, and good conductors of heat and electricity are classified as ___.
Match the scientist with the proper attribution/contribution to the periodic table.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Increasing atomic weight | arrow_right_alt | Newlands |
Increasing atomic number | arrow_right_alt | Dobereiner |
Triads | arrow_right_alt | Mendeleev |
Law of Octaves | arrow_right_alt | Moseley |
The horizontal rows are called