Question

Which of the following elements have properties similar to those of astatine?

F, Br, l
Na, Mg, Al
Ar, S, P
F, Ar, Ne

Answer 1

F, Br, l

Step-by-step explanation:

Astatine is radioactive element which has symbol, At and the atomic number of the element is 85.

It belongs to the group 17 and period 6.

The elements in the same group shows similar properties as they have same general electronic configuration.

So, it shows similar properties with group 17 elements which are - F, Cl , Br, l

Answer- A

Answer 2

Answer;

F, Br, l

Explanation;

• Astatine is a member of the halogen family, elements in Group 17 (VIIA) of the periodic table.
• It is a highly radioactive element and it is the heaviest known halogen. Astatine is similar to the elements above it in Group 17 (VIIA) of the periodic table, especially iodine.
• One property of iodine is that it tends to collect in the thyroid gland .