Fluorine, chlroine, bromine and iodine are placed in the same group (1 – InterviewSolution

InterviewSolution

1.	Fluorine, chlroine, bromine and iodine are placed in the same group (17) of the periodic table, becauseA. They are non-metalsB. They are electronegativeC. Their atoms are generally univalentD. They have 7 electrons in the outermost shell of their atom
Answer» Correct Answer - D Electronic configuration of outermost shell of group-17 or halogens are `ns^(2)np^(5)` .

Discussion

No Comment Found

Related InterviewSolutions

The trivalent ion having size in lanthanide series isA. TiB. ZrC. HfD. La
In five-kingdom classification, Slime Moulds are included underA. MoneraB. ProtistaC. FungiD. Metaphyta.
The book Genera plantarum was written byA. BesseyB. Engler and PrantlC. Carolus linnaeusD. Hutchinson
Which one of the following is an incorrect statementA. The ionisation potential of nitrogen is greater than that of oxygenB. The electron affinity of fluorine is greater than that of chlorineC. The ionisation potential of beryllium is greater than that of boronD. The electronegativity of fluorine is greater than that of chlorine
Electronegativity is a measure of the capacity of an atom toA. Attract electronsB. Attract protonsC. Repel electronsD. Repel protons
Between HF, HCl, has the highest ionic character becauseA. F has the highest electron affinityB. In HF, electronegativity difference is highestC. `F^(-)` ion has the highest value of ionic radiusD. Atomic orbitals of H and F have almost similar energy
Which will show maximum non-metallic characterA. BB. BeC. MgD. Al
An ion has 18 electrons in the outermost shell it isA. `K^(+)`B. `Ca^(2+)`C. `Na^(+)`D. `Cu^(+)`
Which is the weakest baseA. `NaOH`B. KOHC. `Ca(OH)_(2)`D. `Zn(OH)_(2)`
the pentavalence in phosphorus is more stable as compared to that of nitrogen even though they belong to the same group. It is due toA. Reactivity of phosphorusB. Inert nature of nitrogenC. Dissimilar electronic configurationD. Larger size of phosphorus atom