Part A Determine the number of protons and neutrons in plutonium-239 and enter its symbol in the form X. Express your answer as an isotope. ΑΣΦ ? A chemical reaction does not occur for this question. Submit Request Answer

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

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Q: How does the radioactive isotope C-14 differ from its stable counterpart C-12? It has a different…

A: C-14 - It has the same number of protons but two more neutrons than C-12 so option - H is correct as…

Q: Give the number of protons, electrons, and neutrons for Chlorine-37

A: Atomic number:  It is defined as number of protons present in an atom.  The symbol of atomic number…

Q: A primary goal of medievel alchemists was to turn base metals in gold. Typically they worked with…

A: Mass number = number of neutrons + number of protons Atomic number = number of protons

Q: An unknown sugar is found to have a molecular weight of 180.18 amu. The sugar contains 40.O %…

A: Given data  Element composition (mass %) C 40 H 6.7 O 53.3 Molar mass of sugar = 180.18…

Q: Fill in the information missing from this table. nuclide 203 81 TI protons neutrons 0 0 67 0 П 98 Z…

A: Nuclear chemistry is the study of atomic nuclei's composition, structure, reactions, and other…

Q: a. Calculate the Natural Abundance of 4°X and enter it into the chart. b. Calculate the isotopic…

A: The given molecule X has 3 isotopes which are 36X, 38X, and 40X.  Percent natural abundance of  36X…

Q: Ph 2. (Across) Heaviest element that a star can fuse. (symbol) Ph 4. (Across) In IUPAC naming this…

A: Since you have asked multiple questions that are different, we will solve only one question for you…

Q: A nucleus of mass number 35 contains 19 neutrons. write the formula for this monoatomic element.…

A: A nuclide is represented by the formula A is the total number of protons and neutrons. Z is the…

Q: . What is the 3rd most prevalent element in the human body (name, not symbol)?

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Q: An unknown element (Uk) has three isotopes, seen in the table. One of the percentage values is…

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Q: Below are some chemical fertilizes, molecular compounds of lonic compounds. What is the atomic…

A: “Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Write the symbol for every chemical element that has atomic number greater than 32 and atomic mass…

A: The aggregate number of protons present in a particular element is its atomic number and the sum of…

Q: What is the average mass, in grams, of one Zna Multiple Choice O 1661 x 10 24 O 65.39 amu O 65.39 g…

A: Molar mass of Zn = 65.38 g/mol

Q: 8 How many grams of C₂H6 would contain 7.06 × 88 grams 176 grams 44 grams 22 grams 1024 atoms?

A: C2H6 Atomic maa -- carbon (C) = 12 g                               Hydrogen( H)- 1 g Molar mass =…

Q: Boron has 2 commonly occurring isotopes. 19.9% of Boron atoms have 55 neutrons and 55protons,…

A: We have to calculate the expected mass of B.

Q: A = 45, with 24 neutrons Express your answer as a chemical symbol. 2 ΑΣΦ Submit 4 C A chemical…

A: Given,  The mass number of an atom A = 45 and  number of neutrons = 24. The chemical symbol of an…

Q: My dear hero expert please don't upload any image just give me the answer with proper explanation

A: For 1st compund : IUPAC name : There are 1 methyl group in 2nd carbon and propyl group in 3 carbon…

Q: The isotopes of the same element have.... Equal numbers of neutrons The same mass numbers The same…

A: isotopes of the same element has same atomic number but different mass number. Mass number = Number…

Q: 1) CH, 2) H2 (POLYATOMIC IONS): 3) NH, 4) 0, 5) N2 11) OH (hydroxide ion) 12) SO, (sulfate ion) 13)…

A: Lewis structure repersents the number of valence electrons around the atoms in a molecule.

Q: You discover a new element with a molar mass of 319.0 g/mol. How many atoms are contained in 97.9…

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Q: Silicon dioxide is the principle component in (window) glass. Approximately how many prc silicon…

A: We will calculate total number of proton

Q: Describe why "new" elements (man-made elements) are created, or why do we benefit in creating them?…

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Q: Make a poem about nitrogen and it’s neutrons and lecterns and protons and is funny.

A: Nitrogen typically exists in the form of a diatomic molecule, written as N2. In this configuration,…

Q: 1)the chemical symbol found on the periodic table is ?  2) the number of protons for the product is…

A: 1.Now we know that the number must be same on both the product as well as the reactant Side and we…

Q: How many hydrogen atoms are there on the carbon atom labeled "A"?

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Q: Why is the mass in amu of a carbon-12 atom reported as 12.011 in the periodic table of the elements?

A: The atomic mass of carbon-12 is exactly 12 atomic mass units (amu) by definition, as the atomic mass…

Q: Please answer 6 Part A and B

A: Following are the appropriate answers of the given questions.

Q: 1. Models come in many forms including physical, 2-dimensional, conceptual, computer, and…

A: Given: Two dimensional models, conceptual, computer and mathematical models To find: scientist use…

Q: 55 What is the symbol for the isotope of Fe that possesses 31 neutrons? Express your answer as a…

A: The iron isotope with 31 neutrons has to be given.

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

A: Isotopes are the chemical species having same atomic number but different mass number. Isotopes of…

Q: An unknown compound has the following chemical formula: where r stands for a whole number.…

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Q: Question 11- Two isotopes of the element Fa occur naturally, with 282145 Fa At 23.4% (281.7 amu) and…

A: The atoms mass is the mass of neutrons and protons of an atom. The weighted average mass method can…

Q: Direction: Read then solve the question carefully. Click the letter of the correct answer. Question:…

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Q: Magnesium exists in nature as three stable isotopes. Suppose you determine that 9.87 moles of…

A: Given - Exact masses of isotopes of Mg 25Mg = 24.9858 amu 24Mg= 23.9850 amu. 26Mg = 25.9826 amu. To…

Q: Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your…

A: Given, atoms of Ag = 1.28 x 1011 atoms Molar mass of Ag = 107.87 g/mol

Q: Questions 17-24 refer to the following: Say you're given the following information: You have a…

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Q: Element Kittypurrium (named after one of TA's cats) has two isotopes: Isotope 1 has an atomic…

A: Percent of isotop 1 = 91.162%   Atomic weight of isotop 1 = 40.005 g/mol  Percent of isotop 2 =…

Q: nitrogen-15    express the answer as an isotope. 10n+2713Al→?+42He01n+1327Al→?+24He  Express answer…

A: Since, Balanced nuclear reaction means number of proton in both side is equal and also mass number…

Q: Incomplete Chlorine has two naturally stable isotopes: 35 CI (34.968853 amu) and 37 CI (36.965903…

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Q: ED THIS? Read Section 17.3. You can click on the w link to access the section in your e Text. plete…

A: Atomic number(Z) = number of proton(p)Atomic mass = number of protons (p)+ number of neutrons(n)

Q: Case #2: Ruh-Roh! Old Man Higgins had his favorite cane taken from him when he was out for a walk…

A: Data analyzed: The CSI team found traces of a pungent liquid at the crime scene. The mass of the…

Q: A piece of aluminum foil is 0.0150 cm thick. Calculate the thickness of the aluminum foil in terms…

A: Thickness of the aluminum foil = 0.0150 cm…

Q: QUESTION 15 Which of the following processes will have a AH value with a positive sign? OA. The…

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Q: The element gallium has two naturally occurring isotopes, gallium-69 (68.9256 amu) and gallium-71…

A: Given , two isotopes of gallium (Ga) are 69Ga = 68.9256 amu 71Ga = 70.9247 amu  Let, % abundance of…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.