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

Q: 2. Valence electrons in an atom of phosphorus are closer to the nucleus than the valence electrons…

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Q: HO- Na,Cr,07 H,SO,,HO

A: Cyclopentylmethanol on treatment with Na2Cr2O7/H2SO4, H2O produces cyclopentanecarboxylic acid.

Q: Q5: Which group and period aluminium element (13AI) belong * .to? Explain

A:

Q: The following information is given for three metallic elements A, B, and C. What elements are A, B,…

A: Given: for FCC Density = 7.6479 g/cm3 Radius = 0.12894 nm = 0.12894 × 10-7 cm For BCC Density =…

Q: An element reacts with oxygen to form an oxide which dissolves in dilutehydrochloric acid The oxide…

A: The oxide form of an element in HCl turns red litmus to blue. This gives clear picture that given…

Q: Which of the listed elements is most metallic?(a) Al (b) N (c) P (d) O

A: Which of the listed elements is most metallic? (a) Al (b) N (c) P (d) O

Q: QUESTION 20 Arrange the following in order of increasing electron affinity: Fr Fe P. LL

A: Electron affinity is the energy released when one electron is added to its outermost shell.

Q: Select the elements that are paramagnetic in the ground state. Ca Ne Li Cd Au N Zn

A: To find the elements that are paramagnetic in the ground state. The given elements are: Ca Ne Li Cd…

Q: Based on periodic trends, which one of these elementswould you expect to be most easily oxidized:…

A: K is most easily oxidised

Q: #10 which halogen A.) F hos the most metallic Character C.) Br

A: In periodic table, halogens are present in group 7A. Group 7A elements are one electron away to…

Q: 28. The second ionization energy of Mg is 1445 kJ/mol. The first ionization energy is a) 1445 kJ/mol…

A: Which of the following is correct

Q: ) Give the symbol of the alkaline earth element with the largest radius.

A: The answer of following question is given below.

Q: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: Which of the following elements is an halogen?

A: The elements which belong to the 17th group of the modern periodic table are called halogens. The…

Q: Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three…

A: Metals have property that they are malleable and conducts electricity.

Q: For question 16 to 18, refer to the following Periodic Table. a h i k e d 16. Which of the following…

A: Periodic table is arrangement of elements on the basis of atomic masses.

Q: Which of the following group I elements does not form 3 types of oxides? Select one: а. Na O b. K С.…

A: Group I elements reacts with oxygen and forms three types of oxides a) peroxides :-  Peroxide…

Q: 5. An atom of which of the following elements has the smallest atomic radius? a. Cl b. Rb c. Mg d.…

A: Atomic radius is the distance between the center of nucleus and valence electron in the outermost…

Q: Which element does not belong to the first transition series Iron O Chromium O Magnesium O Nickel

A: Transition elements: Transition elements are the elements which are having partially or incompletely…

Q: 16. The ion with the smallest diameter is a) Br b) CI - d) F e) 02-

A: Hi, since you have posted multiple question, we will answer the first question for you. Kindly…

Q: Where are the metals located in the periodic table 1. 4. 6. 6. 10 11 12 13 14 15 16 17 18 He 10 Ne…

A: In the periodic table there are different different type of metal and nonmetal and some of the…

Q: A| 16. Order the following elements from smallest to largest ior Elements

A: Ionisation energy:  The amount of energy required to remove one electron from outermost shell of…

Q: For each of the following, give the most specific classification accord Example: Cf - an actinide…

A: Compound formed by mixing of two or more elements Ions forms by loose of electron from metal and…

Q: Write balanced equations for (a) U(a, n) Pu, (b) '#N(a, p)0, (C) Fe(a, B)Cu. 238 92 241 94

A: a) The balanced equation for below sample is, Uranium-238 undergoes nuclear fusion reaction with…

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: Antimony belongs to Group SA. What is its correct a. b. Sb-

A: Antimony belongs to Group 5A. The correct electron-dot structure is                       Option d.…

Q: What is the most recent addition to the periodic table?

A: In recent years, four elements are discovered, and all the discovered elements are radioactive in…

Q: How can iodine (Z=53) have a higher atomic number yet alower atomic mass than tellurium (Z=52)?

A: lodine (Z=53) has a higher atomic number than tellurium (Z=52). But the atomic mass of iodine is…

Q: Valence electrons in an atom of phosphorus are closer to the nucleus than the valence electrons of…

A: we know effective nuclear charge on the electron is given byZeff=Z-S ,where Z= number of proton,S…

Q: What were two of the three reasons it took so long for lithium to be available for use in the United…

A: Lithium has its atomic symbol of Li. Its atomic number is 3. It is in the group of alkali metals. It…

Q: More reactive metal Less reactive metal Zn + HCl → Zn + Fe(NO,), Zn + Cu(NO,), –→ Zn + Mg(NO,)2 - Fe…

A: More reactive metal replace the less reactive metal. The reactivity order of these metals Mg > Zn…

Q: 2. Predict whether each of the following oxides is ionic or molecular? (a) SnO2 (b) Al½O; (с) СО2…

A: Ionic compounds are formed by combining a metal and a nonmetal   Molecular compounds are formed by…

Q: what are 2 incompatible elements? are calcium and chlorine incompatible?

A: Rubidium, Barium, Uranium, and Lanthanum are incompatible elements.

Q: What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common? A.…

A: The elements Sulfur(S), nitrogen(N), phosphorus(P), and bromine(Br) all situated on the right-hand…

Q: 31. Though we would expect an increase in atomic radii going down the rare earth series of elements,…

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Q: The atomic radius of E is 107 pm and tiat of E is 231 pm. Calculate the percent increase in volume…

A: The atomic radius of E is = 107 pm The ionic radius of E- is = 231 pm Percent increase in the volume…

Q: on N atom in NO3¯ are 1,3 .A 4,0 .B 3,1 .C .D 2,2

A:

Q: In the periodic table, elements in group VIA ________________   a. can form 2 bonds   b. have…

A:

Q: 35. Which of these elements form two stable oxides? A Silicon B Beryllium C Sulphur D Argon

A: Oxides are chemical compounds formed due to a combination of any element with molecular oxygen. The…

Q: Choose the block of the periodic table where phosphorus is located. O s-block O f-block O outer…

A:

Q: III. For each of the following questions, consider your knowledge of periodic trends and the table…

A:

Q: The element with electronic configuration [Ar] 3dº4s34p² is a typical metal in Group 14 (Group IV)…

A: The given electronic configuration of the element is : [Ar] 3d104s24p2

Q: 8. lonization of which of the following elements is most energetically costly? A. Ne В. Na1+ C. Mg2+…

A: Ionization energy is the energy required to remove an electron from the outermost shell of an…

Q: Write the electron configurations for each of the following elements:(a) Sc(b) Ti(c) Cr(d) Fe(e) Ru

A:

Q: What are the alkaline earth metals?

A: The 's' block elements are formed by the combination of group 1 and 2 elements. The atoms of the 's'…

Q: Write the electron configuration for Ag

A: Ag loses 1 electron and become a positively charged ion Ag+. Thus, Ag has 47 electrons . While Ag+…

Q: what are the properties of cathode rays and anode rays?

A: