Chemistry (Periodic Table পর্যায় সারণি)

1) What is the chemical symbol for lead?

2) Which element has the symbol Fe?

3) Predict which element among the following would have the highest density based on periodic trends.

4) Where is sodium located on the periodic table?

5) Identify the word that means horizontal rows in periodic table.

6) What is the chemical symbol for oxygen?

7) Considering their positions on the periodic table, which element would have the highest second ionization energy?

8) Which element is expected to exhibit the highest melting point based on its position in the periodic table?

9) Identify the group of the periodic table to which cobalt belongs.

10) What is the position of non-metals in the periodic table?