Question

Which of the following is not a noble gas? *

Ne
Xe
Ar
As
choose the correct answers from 4 answers above please

Which symbol is for a nonmetal? *

P
K
Li
Ca
choose the correct answer from 4 answers above please.

If the boiling point of HCl is -85 (C) and the boiling point of HI is -36 (C), what would be a good estimate for the boiling point of HBr? *

-61
-32
-8
-119
choose correct answers from 4 answers above please
in English not in idian please

Answer 1

1) As ;all others are noble gases
2)P