Ion with 27 electrons.     55Mn2+   63Cu+2    50Cr2+    58Ni3+   24Mg2+

Q: Place the three atoms in ions in order from LARGEST (should be first) to SMALLEST (should be last).…

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Q: What element is represented by 1s22s22p 3s²3p6 0 Kr OS O Sc+3 00 O Br

A: electron configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: Which of the following ions has the largest size? Select an answer and submit. For keyboard…

A: Given ions of elements Cs,K,Li,Na and Rb are members of group 1 of the periodic table. Also known as…

Q: A carbon atom has a diameter of 67pm. If the nucleus of an atom is 100,000 times smaller than the…

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Q: Which ion is incorrect? Group of answer choices Mg +2 S -2 Li + I -2 O -2 F -

A: Alkali metal loses one electron and forms mono-positive ion. Alkaline earth metal loses 2 electron.…

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Q: Fill in the correct value for each position in the atomic symbol for an atom containing 26 protons,…

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Q: how many proton and neutrons does the Xe have

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A: 7. Nucleons means neutrons + protons.  C-14 has nucleons = 14  C has 6 protons as its atomic number…

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Trend followed : Atomic radii decreases across the period from left to right and increases down the…

Q: a. Find the molar heat of combustion (in kJ/mol) of isooctane vapor.

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Q: TQhB66q?1oB O CHEMICAL REACTIONS Percent yield of chemical reactions OOOC 15 quid octane…

A: Given : We have to calculate the percentage yield.

Q: 4. Count the atoms for each element in the formulas.

A: To count the atoms,list the different types of atoms in the element and multiply total number of…

Q: 5. What element has 25 electrons when it forms a cation with a 2+ charge?

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Q: A neutral atom of Gallium has how many total electrons that can be described as having an ml= +1

A: There are for quantum numbers: Principal quantum number Angular quantum number Magnetic quantum…

Q: Assuming that the octet rule is obeyed, write out the electron configuration for the ion formed by…

A: To solve this problem we have to write the electronics configuration of the given element .

Q: Which of the following statements is/are true about 55Mn²+? (1) this ion has 25 protons (2) this ion…

A: Manganese (Mn) is the memeber of first transtion elements and d-block element.  Its atomic number is…

Q: Write a balanced half-reaction for the oxidation of gaseous nitrogen dioxide (NO₂) to nitrate ion…

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously. In…

Q: What is the name of the elements with the followihg atomic numbers: Atomic Number Element 41 60 91

A: Write name of the given atomic number---

Q: What would you predict the charge of Ga to be as an ion? al 3- 1- 1+ P. 3+

A: Charge on cation or anion is decided by its electronic configuration.

Q: Question 18 Which one of the following has more neutrons than protons? Oxygen-15 O Calcium-38…

A: In an atomNo. of neutrons + No. of protons= Mass number = AAnd no. protons = Atomic number = Z

Q: How many electrons are in bromine's (atomic number 35) next to outer shell (n=3)? 02 04 08 18

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Q: Write the formulas (Not graded assignment)

A: Different type of ionic compounds have different names and formulas according to their cations and…

Q: Cemental ryllium 4 4 rer Ion 12 20

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Q: Which answer describes the arrangement of electrons around an iodine atom? 1 single electron 2…

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Q: Determine the number of neutrons, protons, and electrons for a bromide ion that has a mass number of…

A: Atomic symbol of bromide ion = Br- Mass number = 78  Number of(protons + neutrons)= mass  Atomic…

Q: lon Practice Set 1. What is an ions an atom that G positic Or 2. Use a periodic table to complete…

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Q: W+5 how many electrons

A: The symbol of Tungsten is "W" Atomic Number of Tungsten (W) =74

Q: A sample of the element Phosphorus is shown to have a mass of 33 and å charge of -3. HoW many…

A: Neutral Phosphorus having mass 30.9 P having mass 33. Atomic number of P is 15, also atomic number…

Q: 1. Write the whole e- config for the element K. Also write the whole config for the ion K+ .

A: K is potassium with atomic number 19 .

Q: I don't understand how to solve this question.

A: Organic compounds are the compounds which are mainly composed C and H atoms. The branch of chemistry…

Q: Arrange these ions according to ionic radius. Largest radius Smallest radius Answer Bank Cs* Ba* Sb-…

A: General trends in ionic radius: Generally, ionic radius decreases along the period because of an…

Q: 8. (Calorimetry - Determination of specific heat) A 5.1-gram piece of gold jewelry is removed from…

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Q: Arrange these ions according to ionic radius. Largest radius Smallest radius Answer Bank Cl- Ca2+…

A: Rank the following ions according to their ionic  radius :  Cl-, Ca2+, P3-, S2-, K+

Q: 204Pb3+ 82 79 82 122 204 204 Ion & Isotope Sb                     16   35   Isotope   92 86…

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Q: Label #3 * 土 3 4 O Nucleus O Proton O Neuton O Shell O Electron Atom

A: 1 = Proton 2= Neutron 3= Nucleus

Q: Fill in the missing information: symbol 3+ Cr atom or ion? check all that apply neutral atom neutral…

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Q: What is wrong with this model ?

A: Atom consist of nucleus that consist of protons and neutrons. Electrons revolve around nucleus.…

Q: Atom P As Pb Cr A1³+ Ru Atomic number (Z) 15 Electronic configuration [Ne]3s 3p³

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Q: An isotope of element Z has a symbol of Z-390  with a charge of - 1.  If the element Z has  197…

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Q: 3 compounds with elements from groups 1A and 7A Part 1 Chemical Compound Cation Anion formula name

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Q: 57 58 La Ce Lanthanum 138.90047 Cerlum 140.11 Ptable 90 89 Ac Actinium (227) .com Th Therum 21203M…

A: Atomic mass of Pd is 106.42u and atomic mass of Cd is 112.411u  Ag has atomic mass of 107.86 u…

Q: Imagine a new polyatomic ion has been discovered known as the tellurate ion. The tellurate ion has a…

A: Given: The formula of tellurate ion: TeSe22- We have to find the formula of Manganese (II)…

Q: write the chemical name of Sb2As5

A: The name of a chemical compound that shows the names of each of its elements or subcompounds

Q: Chemical Name Symbols & Charges Chemical Formula 6) Axonite Ioniumide 7) Bolonium Slitheride 8)…

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Q: Smallest H 2A Largest Arrange the following ions in order of increasing ionic radius: calcium ion,…

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