Reducing Oxidizing Atom/ion that is Atom/ion that is agent agent oxidized reduced C20,2 → CO2 Cro,2- → Cr+3 Cu+HNO3 → Cu+2 (NO3)2 + NO + H20

Q: Which of the following represents isotopes?   O (mass number 18) and O (mass number 18) O (mass…

A: Isotopes are the chemical element having same atomic number but different atomic masses.  Isobars…

Q: How many moles of hafnium contain 6.10 x 10^31 atoms of hafnium?

A: The no. of atoms in hafnium sample = 6.10 x 1031Avogadro’s number is defined as the number of atoms…

Q: Give a Carrect formula between Ca (9) Ca₂1 (b) Calz (e) C92 13 C9312 and I A

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Q: the isotope of baron with mass number of 10

A: Given : mass number = 10 And element is boron i.e B

Q: Po undergoes four decay reactions: B, a, B, a. Step 1. 218 218 Po undergoes B decay to give 35° At…

A: Beta decay - When a radioactive nucleus disintegrates by emitting a β-particle, the atomic number…

Q: Calculate the average atomic mass of uranium given its naturally occurring isotopes and their…

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Q: Boron's atomic mass is 10.8 amu. It exists as two isotopes, one with a mass number of 10 and one…

A: Atomic (average) mass of B = 10.8 amu Atomic mass of B-10 = 10 amu Atomic mass of B-11 = 11 amu…

Q: why the discovery of noble gases was late?

A: The discovery of noble gases was late.

Q: Write Chlorine-35 and Chlorine-37 in isotope notation.

A: Given,  Chlorine-35 and Chlorine-37

Q: Question 1: Which of the following statements are correct? 1. Your favourite bubbly soft drink is an…

A: Note: According to our guidelines we are supposed to answer only first question.  Kindly repost…

Q: Where are elements heavier than helium created?

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Q: b Po undergoes four decay reactions: a, B, a, B. Step 1. 218 Po undergoes a decay to give 14 Pb 84…

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Q: es to access important values if needed for this question. A certain element consists of two stable…

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Q: O Po undergoes four decay reactions: a, B, a, B. Step 1. 218 Po undergoes a decay to give 214Pb 84…

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Q: C Po undergoes four decay reactions: a, B, a, ß. Step 1. 218 Po undergoes a decay to give 84 Step 2.…

A: Nuclear chemistry is the branch of chemistry in which we deal with positron emission, electron…

Q: Why is an isolated atom neutral?

A: Isolated means not interacting with the surrounding. Neutral means that there is no charge present…

Q: Calculate average atomic weight of Uranium using isotopic abundances of its three isotopes: U-234…

A: A numerical problem based on average atomic mass, which is to be accomplished.

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

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Q: :53 Determine the mass of RbNO3 necessary to prepare 500.0 mL of a solution that is 0.228 M RbNO3. g…

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Q: Give the IUPAC name of each compound. Part 1 of 4 Part 2 of 4 ☑ Ar كا B 000 00

A: Standard rules of IUPAC for cyclic are used.  Feel free to ask for clarifications if necessary.

Q: Chapter 4 Review When the following equation is correctly balanced, what coefficient is in front of…

A: To balance a equation there must be equal number of atoms on both the side of the reaction .

Q: 70 Ge 70 Ga 32 31

A: Given  An unbalanced nuclear reaction  To find  The balance the nuclear reaction

Q: Why is it important, in carbon dating, to consider the ratio of carbon-14 atoms to other carbon…

A: Applying carbon dating principle i.e . ratio of C-14/ C-12 . As shown my handwriten solution.

Q: An element 'A' contains 3 protons, 3 electrons and 4 neutrons. it is.................  . It…

A: Lithium has a chemical symbol of Li. Atomic number(Z) of Li is 3 Mass number(A) of Li is 7

Q: Identify the circled functional group. A) carboxylic acid B) aldehyde amide D) ester E) ketone

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Q: How do the mass number and the average atomic mass differ for a particular element?

A: There is difference between mass number and average atomic mass.

Q: hi, can you solve this? A radioactive atom x turns into a stable y atom by emitting a neutron and…

A: The nuclear reaction involves the fission or fusion of radioactive elements which is proposed with…

Q: More reactive metal Less reactive metal Zn + HCl → Zn + Fe(NO,), Zn + Cu(NO,), –→ Zn + Mg(NO,)2 - Fe…

A: More reactive metal replace the less reactive metal. The reactivity order of these metals Mg > Zn…

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: Which element does not belong with the other four? 8O 18Ar 17C l7N 53I A) O B) Ar C) Cl D) N…

A: The element  that does not belong with the other four is given below

Q: Gold has one stable isotope, whichis gold-197, with an atomic mass of 196.97amu. A 14k (14-karat)…

A: Given:   Mass of 14k gold =  5.00-g  Gold percentage  = 58.3%  Other metals        = 41.7% To find:…

Q: C Bi undergoes four decay reactions: a, ß, B, a. Step 1. Bi undergoes a decay to give 10 TI Step 2.…

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Q: What is the relationship of hydrogen's mass to hindenburg tragedy?

A: The Hindenburg tragedy is the result of combustion of hydrogen. Water (vapor) is obtained as…

Q: Alpha particles are identical to   Question 12 options:   a)  hydrogen atoms.   b)  electrons.…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: What I still pass 15 protons 15 electrons and 17 neutrons?

A: Isotope:

Q: Arrange the isotopes of sulfur and phosphorus in order of decreasing the number of neutrons.

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Q: Below is a representation of 50 atoms of a fictitious element called westmontium (Wt)(Wt). The red…

A: ATOM An Atom is known as a building block of life and It is a smallest unit of matter that retain…

Q: 7. which isotope of phosphorus kept under water red Black white violet

A: Answer :- White  -------------------------------------------------------------------------

Q: Fill in the empty cells. Isotopic Symbol Element atomic Symbol number mass # of # of # of number…

A: Atom consist the mainly three sub atomic particles, that are electron, proton and neutron. Electron…