উদ্দীপকটি পড় এবং পরবর্তী দুটি প্রশ্নের উত্তর দাও:
Description: A table showing elements in periods and groups. The first row is "Group" with columns 1 and 2. The second row is "Period" with elements Na and Mg in groups 1 and 2 respectively. The third row has X and Y in groups 1 and 2 respectively. The fourth row has P and Q in groups 1 and 2 respectively.
‘P’ মৌলের শেষ কক্ষপথে কয়টি ইলেকট্রন রয়েছে?
| 1 | 2 | |
| পর্যায় | Na | Mg |
| X | Y | |
| P | Q |
Description: A table showing elements in periods and groups. The first row is "Group" with columns 1 and 2. The second row is "Period" with elements Na and Mg in groups 1 and 2 respectively. The third row has X and Y in groups 1 and 2 respectively. The fourth row has P and Q in groups 1 and 2 respectively.
‘P’ মৌলের শেষ কক্ষপথে কয়টি ইলেকট্রন রয়েছে?
Mymensingh • 2025