Question

Astatine (At) is the element below iodine in the Periodic Table.
(a) (1) Suggest the name and formula of the compound formed between
magnesium and astatine.
(ii) Predict a physical property of this compound.

Answer 1

1)when astatine reacts with magnesium it forms magnesium astatide

2)magnesium astatide is a solid at room temperature

magnesium astatide is alkaline

magnesium astatide compound is radioactive

Answer 2

Answer:

MgAt2- magnesium astatide

high melting point

Explanation:

melting point At is 302℃

melting point of magnesium is 650℃