As you go down the periodic table, the atomic radius of elements do what?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

If two objects at different te, peraure are in contact with each other what happens to their temperature

If 10.5 l of a at 0.98to 1.50 , is ?