96. Plutonium-239 is used in nuclear bombs. Determine the number of protons and neutrons in plutonium-239 and write its symbol in the form 2X.

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A: An atom basically consists of proton, neutrons and electrons. The protons and neutrons are present…

Q: 27. Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.57 kg…

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Q: the symbol of the halogen with the most electrons Express your answer as a chemical symbol. ΑΣφ ?

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Q: Symbol 33s2- Neutrons 36 30 8 Protons 30 25 Electrons 27 10 Net Charge 7+ 3-

A: Recall the expression of an negatively charged ion as                    aXzn-Here,number of…

Q: Determine the number of protons and electrons in each ion  I¹- A.53 protons, 52 electrons B.53…

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Q: A certain element XX has four isotopes. 0.5600% of XX has a mass of 83.91343 amuamu. 9.860% of XX…

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Q: 2. The states that the total number of atoms does not change in a chemical reaction. 3. А combined…

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Q: 57. Which elements are alkaline earth metals?(a) sodium(b) aluminum(c) calcium(d) barium(e) lithium

A: The elements in the tabular form when arranged on the property of the increasing atomic number order…

Q: Uranium-235 is used in nuclear fission. Determine the number of protons and the number of neutrons…

A: Atomic symbol of element gives information about the chemical symbol, atomic number and mass number…

Q: Complete the following table. (Remember to use correct capitalization for the chemical symbol!)…

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Q: . How many protons, neutrons, and electrons are there, respectively, in 69Se2- ?

A: Given    Element = Se   Number of proton , Neutron , electron  = ?

Q: 2 of 2 Explain why the atomic mass of an atom is a decimal number and how that value was determined…

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Q: The amount of carbon-14 in ancient artifacts and fossils is often used to establish their age.…

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Q: An alloy is 12.8% copper by mass in tin. Copper makes up what percentage of the atoms in this sample

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Q: Fill in the gaps in the following table: Symbol P3- Protons 35 49 Neutrons 45 66 118 Electrons 46 76…

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Q: The amount of carbon-14 in ancient artifacts and fossils is oftenused to establish their age.…

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Q: Use Dalton's atomic theory to account for each of the following. a.the law of conservation of mass…

A: Use Dalton's atomic theory to account for each of the following. a.the law of conservation of mass…

Q: Explain the following statement: The smallest particles unique to an element may be atoms or…

A: An atom is formed of three main sub-particles namely, electrons, protons, and neutrons. Protons and…

Q: an ion that has 55 protons and 54 electrons is ....

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Q: A metal x forms two different chlorides if 12.7g of chloride A and 16.3g of chloride B . contain…

A: To find: A metal x forms two different chlorides if 12.7g of chloride A and 16.3g of chloride B…

Q: An atom has an average atomic mass of about 24.3 amu. What is the chemical symbol for the atom? Use…

A: Atomic mass is the mass of an atom. SI unit of mass is the kg. Atomic mass is often expressed in the…

Q: Consider the two isotopes fe-54 and fe-56 how do they differ from each other? Uranium-235 is the…

A: If " X " is an element . Then it is generally represented as  AZX  Z = atomic number = number of…

Q: Complete the table: Symbol # Protons # Neutrons # Electrons Net Charge 905r Mn2+ 30 2+

A: The number of protons in the nucleus of the atom is equal to the atomic number. The number of…

Q: -In this molecule, is Cl = Chlorine a neutral atom, an ion or an isotope? %3D -In this molecule, Mg…

A: NOTE : Since the molecular formula is not visible in the pic, I'm assuming it to be MgCl2 as per the…

Q: 1. The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is…

A: Element is represented by symbol AX Where A = mass number

Q: Rubidium has two naturally occurring isotopes, from the following data calculate the value of X?…

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Q: 23 ATOMIC STRUCTURE AND SYMBOLS: PARTICIPATION IONS #e = #p-charge of ion Complete the following…

A: In atom protons and neutrons are situated in the nucleus and electrons ate moving around the nucleus…

Q: Write the atomic symbol for the element whose monatomic ion has a 2+ charge, has 14  more neutrons…

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Q: Consider an ion: 123 X3+. 51 (X represents a generic symbol) How many protons, neutrons, and…

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Q: 1. Here are three isotopes of an element: a. The element is: 19"K "K “K b. The number 19 refers to…

A: Isotopes are those compounds which have same atomic number but different mass number.  Here given…

Q: A completely made up element called Krystogen has two naturally occurring isotopes. The atomic…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: 1. Neon has two isotopes: Ne-20 (having a mass of 20 u) and Ne-22 (having a mass of 22 u). Given the…

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Q: Complete the following table by filling in the missing information in each blank. Please only type…

A: Atomic number of an element is defined as the number of protons present in nucleus. Mass number of…

Q: Give the number of protons (p), neutrons (n), and electrons (e) in a) 15N3- b) 40Ca2+ SNER

A: Protons are positively charged particles. Electrons are negatively charged particles. Neutrons are…

Q: (1) The radioactive isotope selenium-75 is used in medical imaging as indicated on the table above.…

A: Dear student since you have asked two different questions but according to guidelines we will solve…

Q: Write the atomic symbol, including the atomic number and the mass number for each of the following…

A: As we know atomic number is equal to number of proton. And mass number is the sum of the numbers of…

Q: Write the symbol for each of the following particles. (a) an atom with 13 protons and 13…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: (1) The radioactive isotope carbon-11 is used in medical imaging as indicated on the table above.…

A: Since we know that Atomic number = number of protons Mass number= number of protons + number of…

Q: Answer the following questions about the 34 s2:.

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Q: The average atomic mass of an element is known to be 24.3 amu. Determine the atomic mass of the…

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Q: Palladium forms three different compounds with sulfur. The mass of sulfur per gram of palladium in…

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Q: On the planet Invertios, boron has two isotopes as follows: Isotope Mass (amu)…

A: Many naturally occuring elements exists as more than one isotope. On the basis of their percentage…

Q: 14. One compound of elements X and Y contains 35.2% X (by mass); another compound contains 24.6% X.…

A: The chemical formula of compound is represented by the atoms of the elements as their chemical…