Would you expect Be2+ to be a stable ion?

Q: Which of these ions always be a Spector ion? -Nitrate ions -Fluoride ions -Hydroxide ions -Copper…

A: Spectator ions are the ions which do not invovled in the net ionic equation. That is these ions are…

Q: Which element below has the largest first ionization energy, greater than any other element?   A.H…

A: Ionization energy is defined as the minimum amount of energy that is required to remove an electron…

Q: Identify the ions in (NH4)2Cr2O7.

A: (NH4)2Cr2O7 breaks as-> (NH4)2Cr2O7 -> 2(NH4)^+ + (Cr2O7)^2-

Q: Choose the correct arrangement of the following bonds in terms of increasing ionic character. H-C,…

A: The ionic character of a bond can be determined on the basis of electronegativity difference between…

Q: Why are transition metals special cases? a. They have two valence shells with complete octets that…

A:

Q: Which of the following has the lowest first ionization energy? Rb Si P Al S

A: as along the period the first ionisation increases and along with the group the first ionisation…

Q: Ва K

A: Ionization enthalpy  depends  upon the size of elements  . GREATER THE SIZE  OF ELEMENT less will…

Q: Which of the following has the largest second ionization energy? O In O Sn OSr Rb O Sb

A: Second ionisation energy is defined as the energy which is required to remove the outermost electron…

Q: Write the chemical formula for zinc phosphate. ZnPO4 Zn3(PO4)2 ZnP Zn3PO4

A:

Q: Which of the following would have the highest ionization energy? Cs K Rb

A: The elements given are K, Rb and Cs.

Q: Which of these ions is isoelectronic to the oxide anion O2 ? A) K* B) Mg²* C) CI D) S? E) Pb2*

A: Isoelectronic species can be defined as the species containing the equal number of electrons. Toe…

Q: Choose the correct arrangement of the following bonds in terms of increasing ionic character. H-N,…

A:

Q: The following will exhibit ionization isomerism, EXCEPT: A. Pt(NH3)2CI2 B. Pt(NH3),CI,Br2 C.…

A:

Q: How many anti bonding electrons are present in  [Ti(H2O)6]³+?

A: Since the given compound is octahedral and the ligand is H2O which is a sigma donar so t2g will be…

Q: Write the electron configurations for both Ti (+4) and Ti(+3). Examine their electronic…

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Q: Francium (Fr) atom possesses () than Fluorine (F) atom: smaller radius higher electropositivity…

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Q: What is the cation in copper(II) chloride? CI- O b Co2+ Cu2+ CP-

A: The name of the compound given is Copper (II) chloride.

Q: Q4//Calculate the ionization ratio of o.5M * Ammonium hydroxide, pKa=4.74 60% 0.6% 6%

A: Given: pKa = -log Ka  4.74 = -log Ka  log Ka = - 4.74 = - 5 + 0.26 = log 10-5 + log 1.8 = log ( 1.8…

Q: Write the charge and full ground-state electron configuration of the monatomic ion most likely to be…

A: This question belong to atomic structure . We have solved this question step by step in solution…

Q: O,N. 11. Br O,N" 12.

A:

Q: What is the name of this covalent compound - P2O7

A: Structure of P2O7 is given below.

Q: is Cr-Br a polar covalent bond

A: Nature of the bond is based on the electronegativity difference between the bonded atoms. Non polar…

Q: Lowest Electronegativity: Highest lonization Energy: Largest Atomic Radius a. F Fe Sr a. CI Ga TI a.…

A: 1. Lowest electronegativity group highest electronegativity lowest electronegativity Order of…

Q: loses an electron most easily? As • CI K F Part E is found in Group 7A (17), Period 3? As Cl • K F

A: The given elements Arsenic (As): Atomic number =33 Electronic configuration=1s22s22p63s23p64s23d10…

Q: Write the formula for ruthenium (IV) oxide

A: Chemical formula gives information about the types of element present in that compound.

Q: Whic of the following elements has the highest first ionization energy? a) C b) B c) F d)Li  e)…

A: Since we know that   Ionization energy is the amount of energy needed to remove an electron from…

Q: what is the delta H of 30 g of gold heating from 300 K to 500 K c = 0.1

A: It is given that 30 g of gold is heated from a temperature of 300 K to 500 K and the specific heat…

Q: which of the following has the high first ionization energy: Na P k * Na

A: Ionization energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: Name or write the formula for the following compound: Mn(SO4)2

A: Mn(SO4)2 has cation Mn4+ and anion SO42- . Name of the symbol Mn is manganese Name of ion SO42- is…

Q: 33. Of the following elements, which is most likely to form a negative ion with charge 2-? d) a) Вa…

A: Octet rule: According to the octet rule the element with eight electrons in the valance shell will…

Q: b) [Mn(CN).]+-i Are all Mn-N bond lengths th same in the ion? Explain wh

A: Transition elements form compounds with ligands that are known as coordination compounds. The…

Q: What is the most likely type of bind present between atoms of germanium and arsenic

A: Silicon and germanium are pure semiconductors. The addition of impurity to the pure semiconductor to…

Q: What is wrong with the ion pictured? (1 Point) [K]

A: In this ion of potassium -

Q: Tripotassium phosphate (K;PO,) is used as a weak base in organic synthesis. Identify the type of…

A: Given that,  Tripotassium phosphate (K3PO4) is used as a weak base in organic synthesis  We need to…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

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Q: Order the following element by increasing strength of reducing agent Electronegativity 1 2 3 4 5 6 7…

A: Oxidising agents are the species which oxidises other species and itself gets reduced. Reducing…

Q: which of the following has the high first ionization energy: Na k * OP OK Os Na

A:

Q: Which of the following elements has the highest first ionization energy? Ве O Na Li Rb K

A:

Q: I am doing a prelab and I need help with the questions. I want to make sure I did everything right.…

A: 1.The group (I) cations are Ag+, Pb2+ and Hg22+, they all form form white precipitate, corresponding…

Q: Copper (I) ion Sulphide ion A. 3d Зр В. 3d 3s and 3p С. 4s 3p D. 4s and 3d 3s and 3p

A:

Q: which element in each of the following pairs is more electronegative? a. Li and H b. B and Br c.…

A:

Q: Consider Na,[Co(CN)]. A coordinate covalent bond exists between: Select ong a. Со and CN 3+ o b. Na…

A:

Q: |NazO positive ions negatite ions b Feo

A:

Q: * Q4//Calculate the ionization ratio of o.5M Ammonium hydroxide, pKa=4.74 60% 0.6% 6%

A: Given  C = 0.5 M pKb = -log Kb  4.74 = -log Kb  log Kb = -4.74  = -5 + 0.26 = log 10-5 + log 1.8 =…

Q: Which ion is smaller, Co3+ or Co4+?

A: Cations being positively charged material which formed when electrons are lost from an atom's…

Q: он „B, HO Pd(PPh)4 (cat) Na,CO, H Br

A: Suzuki reaction is also known as Suzuki-Miyaura reaction. Coupling partners are boronic acid and…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.