4.82 For each of the following, write the symbol and name for X and the number of protons and neutrons. Which are isotopes of each other? (4.4, 4.5) a. b. 49 116X 116X C. 50 d. 124x 50- 116X е. 48-

Q: 4 An element has an atomic number of 45 and a mass number of 105. Using your determination as to…

A: The element with the atomic number 45 is Rhodium(Rh). Given the mass number of Rhodium(Rh), A = 105.…

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27…

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: Use the References to access important values if needed for this question. What is the energy change…

A: Given mass of solid iodine = 11.9 gms Change in temperature∆T = (37.7 °C- 23.6°C) = (310.7 K- 296.6…

Q: Q7 Specific heat of any element is 0.1. The nearest atomic weight of that element will be 32 64 62…

A: 64 is correct ans .

Q: Hypothetical element X has 3 stable isotopes. The relative peak intensities are 47.91 for 180.0 u,…

A: Answer :-  Average atomic mass for X = 183.7 u…

Q: 4. CHALLEGE PROBLEM: Lithium has two naturally occurring isotopes. Lithium-6 has an atomic mass of…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

Q: Question 8 Which of the following represent isotopes? 44 44 46 46 A: 1X B: X c: X D: "X A: 21X B: 2X…

A: Correct Option :    A and C

Q: A fictional element X has 2 stable isotope, X-94 and X-96. The exact mass of X-94 is 94.000215 amu…

A:

Q: Given that Ka for HClO is 4.0 × 10-8 at 25 °C, what is the value of Kb for ClO– at 25 °C?

A: The relationship between Ka and kb is,

Q: How many times more massive is 68Ni in comparison to 12C?   Group of answer choices A. 0.18 B. 5.7…

A:

Q: Choose between parentheses 1-To convert number of particle to weight, you do not need to know.... *…

A: To convert the number of particles/atoms into a weight of an atom,   We need Initially to know that…

Q: Given that A = 115.47 and Emin/ Ocg= 852.9, What is the value of K12? a. 0.36 b. 0.31 c. 0.33

A: Given  A=115.47 Emin/Ocg=852.9 We have to find the value of K12.

Q: You are asked to determine the composition of a gas. There are three componets with three different…

A: Atomic number (Z) :-  The number of protons inside the nucleus of an atom is called atomic number.…

Q: Activity 1: Subatomic Particles Directions: Complete the table below by supplying the correct…

A: Given,

Q: Rank the following particles by INCREASING their size (lowest first). Rb+ Te2-  In3-  Xe A, In3-…

A: A multiple choice question based on the size of elements, which is to be accomplished.

Q: Answer the following if True or False. (1-10) 1. Radioactivity emanates from stable isotopes of…

A:

Q: atomic mass for capsaicin (C18H27NO3)

A: The mass of the 1/12 of  a single carbon- 12 atom is known as atomic mass .

Q: MCQ 11: As the number of proton increases the ionization energy A. decreases B. increases C. remain…

A: The more protons in the nucleus, the stronger the attraction of the nucleus to electrons. This…

Q: Which one of the following is an isotope of 151Eu? a. 151 Eu3+ b. 153 Eu c. 151 Eu2+ d. 151 Gd

A:

Q: Consider two isotopes Fe-54 and Fe-56.(a)Write the nuclear symbol for both isotopes.(b)How do they…

A: (A) The atomic number (Z) of iron is 26. The mass number(A) of Fe-54 is 63. Also, the nuclear symbol…

Q: Part A Given the following: x, X, X, and X. Which are isotopes of each other? x. X. x. and 2x are…

A:

Q: Matching the following plants with the heavy metals they absorb v Hydrangeas A. Chromium ]Water…

A: Hydrangeas's flower colors ultimately depend on the availability of aluminum ions and hence it…

Q: For numbers 106 -110, refer to the given choices below. For each pair of isotopes listed, predict…

A: NOTE : Since you've posted multiple sub-parts,we'll solve first three sub-parts for you. To get the…

Q: Which of the following is true? Select all that apply. A. 93Y and X are isotopes. 41 42

A:

Q: A certain element consists of two stable isotopes. The first has a mass of 35.0 amu and a percent…

A: Answer:- This question is answered by using the simple concept of calculation of atomic weight using…

Q: Which isotope in each pair is more stable? Why?(a) 14055Cs or 13355Cs (b) 7935Br or 7835Br(c) 2812Mg…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 2-34 There are only two naturally occurring isotopes of antimony.121Sb (120.90 amu)and123Sb (122.90…

A: Let the percentage abundance of isotope 121Sb be 'x' and thus the percentage abundance of 123Sb…

Q: Gallium has two naturally occurring isotopes. 69 Ga (amu 68.9257) is the more abundant isotope, at…

A: 1st isotope , 69 Ga : Atomic weight ( A1 ) = 68.9257 amu Percentage abundance ( X1 ) = 60.4 %   2nd…

Q: Practice Exercises 6.1 1. a. b. H,CO,(aq) = H,O(/) + CO,(g) H,O(g) + C6) = H,(g) + CO(8) 0,(g) +…

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: Plutonium-239 is used as the energy source for heart pacemakers and space probes. It decays by alpha…

A: If mass of Pu-239 is 2.00 mg. The number of moles for 2.00mg Pu will…

Q: 2. Which isotope in each of the following pairs should be more stable? (a) Si or Si (b) Li or Li (c)…

A: Isotopes are the atoms of element having similar atomic number but different mass number. For…

Q: 23 t of OilooM caletHM te 37.5nt O (२० Coc10 \() S lver nitratle iuhat is A sthe mass of ta cl…

A: Consider the given balanced equation as; CaCl2 aq  +  2 AgNO3 aq  →  2 AgCl s  +  CaNO33 aq Given…

Q: Object A has a charge of 3.6 × 10 °C and object B has a charge of 4.7 × 10 °C. What is the electric…

A:

Q: Carbon-14 (14C) is a radioactive isotope of carbon that has a half-life of approximately 5730 years,…

A: Radioactivity is a phenomenon that occurs in isotopes, where, the unstable nucleus of the isotopes…

Q: Activity 2: Isotope Notation and Symbols The composition of any atom can be represented in shorthand…

A: Isotopes have same atomic number but different mass number.  In representation of an element…

Q: when the proton number of the nucleus exceeds 60 the nucleus show the tendency to be unstable?…

A: Applying concept of n/p rule.

Q: + + + + + + + + Play Mass Charge L -1 +1 dentify which particles curve towards the positively…

A: The positively charged particle will be attracted by the negatively charged plate and repelled by…

Q: 4.) Fluorine-20 is a radioactive isotope of fluorine with a halt-lite of 1I. If a sample starts out…

A: Half-life is the time taken to reduce the amount of the isotope to half its initial value.  For…

Q: MCQ 25: 1.67*10-27kg is the weight of a single atom of A. oxygen B. nitrogen C. hydrogen D. water

A: 1.67 x 10-27 Kg is the mass of a proton which is equal to 1.00784 amu.

Q: The presence of 1 nitrogen atom in a compound results in an odd mass for the parent ion because A)…

A: In mass spectroscopy we use this nitrogen rule to determine the presence of nitrogen atom in the…

Q: 4. The figure below represent a force within the nucleus. Select the correct answers. A. What force…

A: The nucleus of an atom consist of protons and neutrons. The positively charged proton repel each…

Q: (References] Use the References to access important values if needed for this question. Taking…

A: The question is based on the concept of logarithmic calculations. We have to  calculate log and…

Q: Fill in the missing parts of the following reactions. (Express your answer as an isotope.) 75 a. 33…

A:

Q: 2. A certain OTC antacid contains 800 mg of calcium carbonate (CaCO3) per tablet. How many mEq of…

A:

Q: Which of the following is an incorrect representation for a neutral atom: O Li 30P 15 108 Ag O Cu…

A: Which of the following is incorrect ?

Q: Isotope m/amu %Abn/% A 61.9887  Abn(A) B 64.9846  Abn(B) If Ar(X) = 62.52, compare: Abn(A) ____…

A: In this question, we will compare the Abn(A) and Abn(B)  You can see details Solution below.

Q: What elements make up 99% of muscle in living organisms? * A. Carbon, Sulfur, Oxygen, and Hydrogen…

A: Muscles of a living organism contain proteins that are made of amino acids and blood that is mainly…