Question

ig this is chemistry but pls help i took a test and think i failed it so im doing more work to have my grade higher just in case i failed it

Answer 1

Could be li and fr because they lie in the same group but could also be f and ne because elements that are close together usually have similar properties to them

Answer 2

Li and Fr

because they lie in the same group and one of the unique property of modern periodic table is the repition of properties of element after certain regular interval.

hope it helps you