and what was the ultimate importance of the gaps?
|
0
|
|
|
|
|
0
|
mendeleev left empty spaces in his periodic table so the table could hav room to expand. |
||
|
|
Not the answer you're looking for? Browse other questions tagged periodic-table or ask your own question.
Welcome to TutorDaily.info
A place to ask questions about Learning and Teaching.
You don't need to register to ASK or ANSWER a question, so go ahead!
