Compare both the numbers of protons and electrons present in each to rank the following ions in order of increasing radius: As^3-, Br^-, K^+, Mg^2+

Q: Arrange the following from the largest to smallest ions (Ca, Mg2+, Br-, Lit, Se)

A: Increasing the number of electrons in a shell will increase the size of the resulting anion whereas…

Q: 4.32 (a) Calculate the enthalpy of formation of the hypothetical compound KF, assuming a CaF,…

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Q: Why it is possible to determine the charge of monoatomic ions from their position on the periodic…

A: It is fairly easy to work out those for monatomic ions in the s and p blocks of the periodic table.…

Q: (1) Sr4 (2) P+6 (3) 0-8 (4) Fe3

A: The electronic configuration for the above ions

Q: Arrange these ions according to ionic radius.

A: Answer:          The   Ionic radii increasing order     Ba2+ <  Cs+ < I- < Te2- < Sb3-…

Q: Based only on the periodic table, pick the largest atom or ion in this set in terms of atomic or…

A: Atomic radii are the distance between the electron present in the outermost shell and the nucleus.…

Q: For each element, identify the charge of its most common ion. I +2 +3 −1 −2 +1 −3 Li −1 +2 +1 −3 −2…

A: The atoms form ionic bonds (by exchange of electrons) or covalent bonds (by sharing of electrons) to…

Q: Determine the identity of each element based upon the following data. Period 3 element with the…

A: The given IE value(s) : IE IE value (kJ/mol) IE1 578 IE2 1817 IE3 2745 IE4 11575 IE5…

Q: 7. Transition elements come from the d block. Examples of d block elements are manganese, cobalt,…

A: The question is based on the properties of d- block elements. We have to write electronic…

Q: Sort the following atoms or ions into isoelectronic groups: N-3, Ar, F-1, Ne, P-3, Ca+2, Al+3, Sr+2,…

A: Iso-electronic species are those species which have same number of electrons in them. Number of…

Q: Using up and down arrows, write the orbital diagram for the Co27 atom.

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Q: Elements with predictable ion charges tend to be in which columns? 1) 2A, 3A, 5A, 6A 2) 1A,…

A: As per my assumption it is option- 4 As 1A, 2A show group 1 and 2 of periodic table with charge +1…

Q: Arrange these atoms and ions in order of increasing radius:  Cs+Cs+, Ba2+Ba2+, I−I−.

A: Ionic radius ⋉Negative charge on Anion                       ⋉  1Positive charge on cation

Q: Rubidium and bromine atoms are depicted at right. (a) What monatomic ions do they form? (b) What…

A: Periodic table is the arrangement of atoms in groups and periods according to their increasing…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: The trend in atomic size in a periodic table is as follow- The atomic size in same group going from…

Q: How many 4d electrons are there in Pd2+? What +2 ion in the fourth period has the same number of 3d…

A: There are 118 chemical elements in a periodic table. The periodic table is divided into 18 groups…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

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Q: Arrange Na+, Ca, O2− in increasing  atomic/ionic radius (smallest to largest). Group of answer…

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Q: Which neutral atom is this ? Which group and period ?

A: The electron configuration  corresponds to the element iron (Fe) with an atomic number of 26. Iron…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

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Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: Step 1: Step 2: Step 3: Step 4:

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: Answer:Ionisation energy is the amount of energy required to remove the electron from an isolated…

Q: Rank the following in increasing order of ionization energy by numbering them in order from 1…

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Q: An atomic cation with a charge of +2 has the following electron configuration: 1s²2s²2p° How many…

A: The electron configuration of +2 charged cation is as follows: 1s² 2s² 2p⁶

Q: Which of the following species are isoelectronic with Ne. Choose one or more. 1.) Mg^2+ 2.) Ca 3.)…

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Q: Which of the following atoms and ions is (are) isoelectronic with S²+? A B C D Ar As 3+ Si4+ C13+

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Q: 1.) Which element would have the least favorable favorable (least negative) electron affinity? S,…

A: In this question, we have to answer both the questions related to electron affinity.

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: On moving from top to bottom in a group ionisation energy decreases becauseNumber of shell…

Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…

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Q: Explain why it is possible to determine the charge of monoatomic ions from their position on the…

A: Octet rule is the tendency of atoms to prefer to have eight electrons in the valence shell. Electro…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: In the given question, we have to arrange the following atoms in decreasing order of their atomic…

Q: atom, for the new element are given in the table. 0.507 1.017 4.108 5.074 6.147 7.903 8.294 To what…

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Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

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Q: Which of the following ions has the smallest size? O cr Br O Ga³+ Okt OCa2+

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Q: Out of these sentances , choose the one that is correct (there may be multiple correct statements)…

A: Option 1 is correct. This is because you need less energy to remove an electron, as the electron…

Q: Which of the following elements would you expect to have positive electron affinity? Ne Br Cl F…

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Q: For every one double bond in a structure of a hydrocarbon, there is one less hydrogen than found in…

A: The general formula of alkane is CnH2n + 2 while that of alkene (with 1 double bond) is CnH2n

Q: isoelectronic with P3–.

A: Cl- is isoelectronic with P3- .is the correct option.

Q: Indicate which one statement is not true by checking the box in front of the untrue statement.…

A: A cation will have a smaller radius than its corresponding atom, because the number of electrons is…

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

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Q: Arrange the following in order of decreasing size? Mg2+, K+ and Ar?

A: Given that : We have to arrange the following in order of decreasing size : Mg2+, K+ and Ar

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

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Q: An atomic cation with a charge of +1 has the following electron configuration: 15² 25² 2p 3s²3p² How…

A: Electron configuration is 1s2 2s2 2p6 3s2 3p5 An atomic cation with charge +1How many electrons does…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: In the periodic table, on moving from top to bottom size increases due to less nuclear effective…

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

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Q: Out of these ions Li1+  Mg2+  Br-1  Te2- Which ion has the largest radius?

A: In general Cationic species will be the smallest Followed by neutral will be large. Anionic species…

Q: What would you predict the charge of an ion from column 1A (or column 1 from ptable) to be? O a O b…

A: Column belongs to alkali metals which have one extra electron in their valence shell from noble gas…