volume_mute
In the periodic table
publish date: 2024/06/06 10:35:9.623582 UTC
The elements are sorted by chemical properties and are listed (1) in order by atomic number. Elements with similar properties have been placed in the same (2) column.
Please drag and drop the selected option in the right place or type it instead
horizontally
vertically
horizontal
vertical
Correct Answer
(1) horizontally
(2) vertical
Reference
Basic Physics: A Self-Teaching Guide