Chapter 7/ Lesson 8 58K Understand the definition of halogens and know the group number of halogens in the periodic table. See examples of halogens and explore properties of halogens. Related to this Question Why are the Group 17 elements called halogens?
The elements of group 17 are known as ___ View Solution Which of the elements of group 17 is radioactive ? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC ...
Why do groups among the main-group elements display similar chemical behavior? Why are anions always larger than the atoms from which they are formed? Why are the halogens so important? Explore our homework questions and answers library Search Browse Browse by subject...
DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Questions From Board Examinations Explain why all bonds in SF(4) molecule are not equivalent. 01:45 Despite lower value of its electron gain enthalpy with negative sign, ... 01:51 Why are halogens coloured? 02:13 Complete the reactions (i) Cu+HNO...
What do fluorine chlorine and iodine have in common? The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine. ... All of the halogens exist as diatomic molecules when pure elements. Fluorine and chlorine aregases. Bromine is one of only...
Explain the difference between atomic and ionic radii of halogens. When transition metals become ions, what is their charge? A) 1+ B) 1- C) 2+ D) Each transition element has different possible charge What are the electron configurations for each of the...
In electrophilic aromatic substitutions, halogens are ortho-para directors because of resonance. If the inductive effect were more important than resonance, then it would be a meta director. "Deactivator" here is referring to a kinetic phenomenon... the halogen slows down the rate of the ...
Are car headlights getting brighter? Ask around, and you’ll find it’s a common grumble among anyone that drives, especially those that frequently take to the road first thing in the morning or at night. They’ll tell you that on an unlit road, e...
The chalcogen group is group 6A of the periodic table of elements. This group can be found on the p-block and at the right side of the periodic table, to the left of the halogens. The only two chalcogens that are nonmetals are oxygen and sulfur...
How and why would have Dmitri Mendeleev explained alkali metals and halogens are extremely reactive while noble gases are not reactive? What is the purpose of valence electrons? The noble gases were among the latest elements discovered; their existence was not predicted by Mendeleev when he publish...