Please do all of the problems attached no fake stuff please! Stay safe
Attachments:
Answers
Answered by
0
ANSWERS:
1. Electron
2. proton
3. Neutron
4. atoms
5. russian chemist dimitri mendaleev
6. periodic table is very useful to understand the elements and to memorize easily...
7. elements are arranged left to right and top to bottom in the order of increasing at.no...
8. group
9. period..
hope u understand and mark as brainlist....
Similar questions