19 - Which of the given elements has similar properties with iodine (I) A) Br B) Te C) Ar D) Xe E) Rb

Q: What is the electron configuration of: (a) Mg+ (b) S2– (c) B3+ (d) Co2+ (e) Er3+

A: The positve charge i.e. cation of the atom are formed by the loss of outermost electrons and…

Q: In the periodic table, elements in group 6A

A: Introduction: In periodic table ,group 6a elements are Oxygen, Sulphur,Selenium, Tellurium,…

Q: Decide which element probably forms a compound with oxygen that has a chemical formula most and…

A: The objective is to determine the chemical formula of Indium(III) oxide most similar and least…

Q: Complete the following for the compound chromium(II) nitrate. Formula = Cr(NO3)2 Atom Number in…

A:

Q: Iodine (I) would have chemical properties most similar to which of the following elements Te Rb…

A: Generally we know In periodic table there are 7 periods and 18 groups. Now in a group, all elements…

Q: Which of the following elements has the smallest atomic radius? carbon lithium boron oxygen

A: Atomic radius decreases on moving from left to right in the periodic table and increases on moving…

Q: Elemental C has one of the highest atomization energies on the periodic table at 717 kJ/mol. Explain…

A: Possible reasons for High ionisation energy are larger effective nuclear charge, smaller size and…

Q: (a) Calculate the fraction of atom sites that are vacant for copper (Cu) at a temperature of 823°C (…

A: fraction of atom sites can be calculated by using equation: (Nv / N) = exp (-Qv/ KT) where, N =…

Q: As the atomic number of Group IA elements increases, does the reactivity of the elements increase or…

A: Ionization Energy (I.E.)- Amount of energy required to remove last shell electron of an isolated…

Q: Explain why the first innization energy of Ca is greater than that of K, whereas the second…

A: The first ionization energy of Ca is greater than that of K, whereas the second ionization energy of…

Q: On the basis of periodic trends, determine the element in each pair with the higher first ionization…

A: NOTE ; Since you've posted multiple sub-parts,we'll solve first three sub-parts for you. To get the…

Q: why are noble gases so inert(unreactive)?

A: Noble gases are the elements that are present in the group 18 of the periodic table. The name of the…

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…