Write the atomic configuration of these elements a. K-19 b. Sb-51 c. Cu-29 d. Xe – 54 e. U – 92

Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7 NaNa…

A: Fusion is defined as the process where the solid phase starts to convert into the liquid phase. The…

Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7 NaNa…

A: ΔHfus. For Na = 2.60 kJ/mol Tm = 371 K ΔHvap. For Na = 89.6 kJ/mol Tb = 1033 K

Q: Which element has 71 neutrons? a) 222Rn b) 146Nd c) 159Sm d) 140Ce e) 121Sn

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Q: A sample of element X contains 90% X-35, 8.0% X-37, and 2.0% X-38 atoms. The average atomic mass…

A: The average atomic mass = M1× M1(%) + M2× M2(%) +...... +Mn× Mn(%) / 100. Hence, M1 =35,M2= 37, M3…

Q: using the following data for lée magnesium isotopes. Isotope Mg-24 Mg-25 Mg-26 % abundance 23.985…

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Q: 2. Compute for the atomic mass of these isotopes. (Show your solution.) a. 160 (99.76%), 170…

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Q: Atomic Structure Who Am I? Bohr's Model 8. 00 () 2017 Activities To Teach.com - Lpdated 2020 cards…

A: For the identification of atom . Count the number of protons and electrons in the atom.

Q: Atoms of Ca-38 and Ca-40 differ with respect to number of Group of answer choices neutrons orbitals…

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Q: W+5 how many electrons

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

Q: Write the atomic configuration of these elements. w solution Cu-29 Xe – 54 U – 92

A: Cu means copper. It has 29 electrons in it. According to aufbau principle - the lower energy levels…

Q: 2. The Main Energy Level is composed of P, d, and f: A.Pauli's Exclusion Principle B. Hund's Rule…

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Q: 20 21 23 24 :0 F1 2 26 27 2 F2 14/ Select all answers that show the atoms or ions that are…

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Q: 1. Write down the following rules, in your own words: a. Aufbau principle b. Pauli Exclusion…

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Q: ). In each of the following sets of elements, indicate which element shows the most active chemical…

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Q: Write the standard isotopic notation for the following atoms: a)80p, 80e,120n b)7p,7e,8n…

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Q: Explain the following A. Aufbau principle B. Hund's principle C. Pauli's Exclusion principle

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Q: Which statement is INCORRECT?   Rb is larger than Rb   Mg is larger than P   Pb is larger than…

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Q: Which of the following does have the largest size?

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Q: I need help with numbers 26,28, and 30 Please

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Q: -21 . You can find the meaning of This energy diagram shows the allowed energy levels of an electron…

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Q: MCQ 35: Protons (p') and neutrons (n") constitut A. nucleus B. nucleon C. orbital D. diameter

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A: ANS. Option B) 31.19 amu

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A: Since the electronic configuration of the element given is   1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2

Q: MCQ 34: The major part of an atom is A. electric field B. space C. nucleus D. orbital

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Q: e. Has a total of 32 electrons with ms=½

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Q: CH— ОН HI 39

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Q: -21 . You can find the meaning of This energy diagram shows the allowed energy levels of an electron…

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Q: Part A: how does the electron configuration end for Bismuth (atomic# 83)? Part B: how does the…

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Q: Of the following, which has the greatest size? Why? a) F b) S c) Cl d) N^-3 e)P^-3

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Q: A) Br- Se b) A1 3+ みt P3- c) F , Mg z+ D) Ne, Ar

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Q: Ca) List all elements with a p configuration. O Ga, Sn, N, At, Uus O In, Ge, Sb, Po O B, AI, Ga, In,…

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Q: Element 118 was reportedly synthesized in 1999, but the claim was later retracted. As a consequence…

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Q: Lx Give Up? Resources 2165/2600 Write the full electronic configuration for lead (Pb). 1s2 2s2 2p6…

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