Be sure to answer all parts. Identify the element below and give the symbols of the other elements in its group. [Ar] 4523d7 Element symbol: All other elements in its group: Ir, Mt Rh, Ir, Mt Ca, Cr, Cu Sn, Pb < Prev 18 of 30 lext >

Q: Paragraph 5 Identify the atom or ion corresponding to each of the following descriptions: I)…

A:

Q: Explain the trend in effective nuclear charge (Z*) going from left to right across periods in the…

A:

Q: Ar> Rb >In>P Ar>P> in ?Rb In 7 P 7 Rb > Ar アフ In 7 Ar> R6 Rb 7 In > P > Ar ト

A: The question is based on periodic properties of the element. we have to arrange the elements in…

Q: Predict the larger ion in each of the following pairs. Give reasons for your answers. (a) O¯, S²-…

A: Atomic size increases on moving down the group and decrease on moving right of the periodic table.

Q: Which element is the most reactive? A:Cs B:BA C: C D: S

A: The given elements are Cs, Ba, C, and S. From these elements Cs and Ba are the metal element and C…

Q: An element has successive ionization energies (kJmol-1) of 590, 1120, 2200, 7520. Based on these…

A: a) Given successive ionization energies are 590 KJ/mol,  1120 KJ/mol 2200 KJ/mol 7520 KJ/mol

Q: The charges of a set of isoelectronic ions vary from 3+ to 3-. Place the ions in order of…

A: Isoelectronic ions are those ions in which the number of electrons are same. The elements lose…

Q: atom

A: Dear student I have given answer to your question in the image format.

Q: Put the following atoms and ions in order of increasing ionic radius: Br, Rb+, Se, Sr+, and Te O Rb+…

A:

Q: 7.6.3 Which of the following is the most realistic representation of an atom from Group 6A becoming…

A: Group 6A elements are called Chalcogens. Their general electronic configuration is ns2np4. Hence,…

Q: The first five ionization energies of an element are as follows (in kJ/mol): 577.9, 1820, 2750,…

A: Interpretation: From the given first five ionization energies of an element, the most likely to have…

Q: 11. What is the ground state electron configuration for the Fe2+ ion? а. [Ar] 4s23d4 b. [Ar] 3а6 c.…

A: Atomic radius is defined as the distance from the centre of nucleus to outermost shell of atom.

Q: Indicate the element in each set that has the higher ionization energy and explain your answer.…

A: 1. Rubedium(Rb), Strontium(Sr) and Tin(Sn) belongs to the same period. That is fifth period. Along…

Q: Which element would you expect to be less metallic?(a) Cs or Rn(b) Sn or Te(c) Se or Ge

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: 1. Ch 7, Problem 106 and 108 First arrange the following groups of atoms in order of increasing…

A:

Q: Element M reacts with Bromine to form a compound with the formula MBr3. Element M has higher…

A: Part 1- Element M is trivalent. It has a higher ionization enthalpy than magnesium. This means that…

Q: Arrange in order of increasing nonmetallic character. (a) the period 4 elements Ga, Ge, Ti (b) the…

A: Non metallic character is tendency to gain electron. Non-metals gains the electron in chemical…

Q: largest atomic radius He, Ne, Na+, Mg2+, Al3+

A: The least distance measured from the nucleus center to the outermost peripheral electron in atoms as…

Q: Na Mg 38 48 58 68 78 88 – 18 28 AI SI P S CI Ar Arrange the following ions in order of decreasing…

A:

Q: 3) Which of the following is isoelectronic with Mg? Ar, K*, S² or Ne s2-

A: The ions or atoms which possess the identical electron configuration are termed as isoelectronic…

Q: Which element has the largest atomic radius? explain your answer in a separate sheet. O H O F O Na

A: Given :- symbol of elements H, F, Na and O  To identify :- element with largest atomic radius

Q: Which of the following choices has the ions in order of decreasing size? O Br, Rb*, Se2- O Rb*,…

A: Cations are formed from the loss of electron &amp; anions from the gain of electrons.

Q: Which of the se pairs of elements would be most likely to fom an jonic compond a:) P and Br b.) Cu…

A:

Q: Consider the following isoelectronic series: Y3+, Rb", S2+, Kr, Br and Se, Which statement is…

A: Isoelectronic species are elements or ions that have the equal number of electrons.

Q: Which element in each of the following sets would you expect to have the lowest third ionization…

A: Given elements are :  Which element in each set have the lowest third ionization energy (I.E3) = ?…

Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: Since isoelectronic species are those which have same number of electrons Since Kr has 36 electrons…

Q: Which one of the following pairs contains isoelectronic species? O Ca2+, Cl- O Br", CI O Cr3+, V3+…

A:

Q: Are these two isoelectronic? Br and Se2- True False

A: Solution :        Isoelectronic species have the same number of electrons which means they have the…

Q: Give the charge of the most probable ion resulting from each ofthe following elements. With what…

A: Isoelectronic is the term that means when two atoms, ions, or molecules have the same electronic…

Q: Before the element scandium was discovered in 1879, it was known as “eka-boron." Predict the…

A: Scandium has an Electronic configuration of [Ar]4s2 3d1 and valence is 3 and it in between Calcium…

Q: Which of the following series of isoelectronic ions correctly lists the ions in order of increasing…

A:

Q: Which of these is an isoelectronic series? ON, K, Rb, Cs OK, C Ar, S O Na Mg", s, Cr Li, Be, B, C…

A: Isoelectronic species are the elements or ions having the same number of electrons that is the…

Q: 1) Which of the following make an isoelectronic pair? A) Ca and Fe³+ B) O and F C) F and CI D) Cl…

A: Isoelectronic pair are the species which have same number of electrons.

Q: Which element in each of the following sets would you ex-pect to have the highest IE₂?(a) Na, Mg,…

A: (a) The first ionization energy is determined by the removal of an electron from the neutral parent…

Q: Give answers of the following. a. Which halogen is used for treating domestic water supplies and…

A: Chlorine(Cl) is used for treating domestic water supplies and swimming pool water. Chlorine is added…

Q: A. If an element with the valence configuration 4s'3d10 loses 2 electron(s), these electron(s) would…

A: Element first looses electron from outermost shell and then from the n-1 shell Element accepts…

Q: Which electron configuration represents an alkali metal? O 15232p3 O 15232p°3s23p! O 13232p°3s² O…

A: Alkali metals belong to s-block

Q: Write equations corresponding to the following. a.) the fourth ionization energy of Te b.) the…

A: Ionization Energy is defined as the energy needed to remove an electron from the valence shell of an…

Q: Arrange the following atoms in the order of increasing ionization energy, by numbering them from…

A: Ionisation energy is defined as the energy required to remove an electron from its gaseous element.…

Q: Which element would you expect to be more metallic? (a) Ra O Mg (b) O I O Br (c) In Al

A: Metallic character decreases as we move across a period in the periodic table from left to right.…

Q: An element X forms a fluoride XF3 to which of the following group could X belong?

A: Step : 1               The required answer for the above question is follows as :

Q: Which element would you expect to be more metallic?(a) S or Cl(b) In or Al(c) As or Br

A: Metallic character represents the tendency of element to behave as metal. It increases in a group…

Q: Rank the following ions in increasing order of size:  Na+, Mg2+, S2-, Cl-

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: 2. Which one of each of the following pairs has the higher ionization energy? Explain in detail for…

A: Which pairs having higher ionisation energy in each case ?

Q: Give the symbol for the element.

A: We know that electronic configuration of an atom represents the distribution of electrons in atomic…

Q: (1) What is the name of the element with a valence electron configuration of 4s²4p*? (2) What is the…

A:

Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: 32.  The element present in the same group of the periodic table has the same chemical properties.…

Q: 3.Why is the ionization energy of Ca higher than that of K but lower than that of Mg?

A: As we move down the group in the periodic table atomic size is increased hence ionization enthalpy…

Q: Arrange the following isoelectronic series in order of increasing atomic radius: Br-, Se2-, Rb+. O…

A: Here we consider the charge of nucleus, that is number of protons. More the number of protons, more…