This subatomic particle is Identical to electrons, in terms of mass, but bears a positive charge. It is emitted when protons are converted to neutrons. Neutrino Positron Negatron Betatron

Q: Indium-116 is radioactive and has a half-life of 14.10 seconds. How much of a 9.10 mg sample would…

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Q: Sulfur-35 is a radioactive isotope that decays through beta emission. The product of this reaction…

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Q: Botón is composed of two of two isotopes, one of mass 10.0129370 amu and one of mass 11.0093054 amu.…

A: Isotopes can be defined as members of family of an element that have the same atomic number but…

Q: This experiment concerns kinetics and isotopes. Isotopes are atoms of an element that differ only in…

A: Radioactivity : It is the decay process by which atomic nuclei undergoes nuclear changes by loss of…

Q: 11. How many moles of glucose, CeH:2O. would need to be broken down during respiration to produce…

A: Note:  Since you have asked multiple questions, we will solve the first question for you. If you…

Q: What is the primary factor that determines whether an nucleus is stable or unstable?

A: The nucleus is the small region that lies at the center of an atom. It is discovered in 1911 by…

Q: In _______, a negatively charged electron is ejected from the unstable nucleus, converting a neutron…

A: Stability of the nucleus is generally influenced by 3 factors- Mass Defect: greater mass defect,…

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

A: Given,  Chlorine-35 and Chlorine-37

Q: The particle represented by X is.

A: The particle represented by X has to be identified.

Q: Using a deuteron beam, a sample of isotopically enriched fluorine is generated, consisting of 18F…

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Q: All isotopes above the atomic number. 19 53 ОООО 87 92 are radioactive.

A: The atoms that are made up of unstable nuclei undergo a decay to form more stable nuclei. This…

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: List the number of protons ,neutrons, and electrons for ⁴⁰Ca²

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is known as atomic…

Q: Why are the chemical properties of all isotopes of the same element identical?

A: Atoms of the same element, having same number of protons and electrons, but differing only in the…

Q: The fewest number of neutrons that must be present to create a stable isotope of nitrogen is

A: Nitrogen -14 is most stable isotope of Nitrogen. 7N14 is most stable so it have 7 neutron which…

Q: How many protons, neutrons and electons are in 31P3-

A: The element  31P3- It is Phosphorus and having atomic number 15 and atomic mass 31.

Q: ed on the figure from the lecture slides showing the isotopes for the first twenty elements, which…

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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: 16. Most nuclear reactions are controlled by substances that are good at catching neutrons. Which…

A: Control rods are used in nuclear decay process to control the neutrons Which can lead to chain…

Q: If an isotope has 90 protons, how many neutrons are required in order for it to have a stable atomic…

A: Concept-: Isotope: Isotopes are known as members of a family of an element which all have the same…

Q: Iodine-125 is radioactive and has a half life of 60.25 days. How much of a 7.20 mg sample would be…

A: The solution is as follows :

Q: In 2010, a team of scientists from Russia and the United States reported creation of the first atom…

A: Given: The synthesis of the first atom of 117 element involves the collision of a target by ions of…

Q: Draw the nuclear symbols (with chemical symbols, mass numbers, and numbers of protons) for an atom…

A: Draw the nuclear symbols of the given data---

Q: Starting with SEVEN TONS of the ore of pitchblende, Pierre and Marie Curie isolated a few milligrams…

A: Polonium-218 is a radioactive element. It can undergo both alpha and beta decay. Alpha decay is a…

Q: During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

Q: What do 14C+ , 15N, and 17F-  have in common?     the same number of electrons     the same…

A: no of electron 14C+=

Q: Strontium-89 chloride is in a class of drugs known as radioisotopes. It delivers radiation to cancer…

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Q: ACTIVITY # 5 DIRECTIONS: COMPLETE THE TABLE: Element or lon Atomic umber Mass Number of Protons of…

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Q: 11C decays by positron emission. Balance the nuclear equation by giving the mass number, atomic…

A: 11C decays by positron emission. 6C11    --->      5B11   +     +1ẞ0   Or 6C11 --->  +1e0  +…

Q: What is the mass number of xenon-127?

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Q: In 1932, James Chadwick discovered a new subatomic particle when he bombarded beryllium-9 with alpha…

A: The objective of the question is to identify the subatomic particle discovered by James Chadwick in…

Q: [References] a. Al-25 decays by positron emission. What are the atomic symbol and mass number of the…

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Q: If an atom of Uranium, Element 92, were to absorb an Alpha particle (comprising two protons and two…

A: For a balanced nuclear reaction sum of mass number and sum of atomic numbers must be same on both…

Q: Strontium-90 is radioactive and has a half life of 28.8 years. How much of a 9.70 mg sample would be…

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Q: Above what atomic number are there no stable isotopes of any element? 20 89 83 92 40

A: Atomic number 92

Q: Atomic # for uranium is 92 how many protons, electrons, neutrons in isotope U- 96?

A: Given that, Atomic number of U is 92.

Q: An atom can be thought of as being

A: There exist three types of atoms with a single proton in their nucleus. These are the isotopes of…

Q: Beta particles are identical to     electrons     protons     hydrogen atoms     positrons…

A: Beta particles are particles with -1 charge and 0 mass approx i.e they are represented by 0-1e

Q: Unstable isotopes are not radioactive. O True O False

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Q: Iodine-131 is radioactive and has a half life of 8.04 days. How much of a 8.90mg sample would be…

A: Half life tells you about the intervals when your initial sample will get halved.

Q: 236U 92 How many neutrons does this uranium atom contain

A: neutron is a neutral subatomic particle that is found in the nucleus of an atom. Neutrons are…

Q: decay series of uranium- 238 includes 3 different isotopes of polonium. Which of these isotopes you…

A: Uranium-238 is a radioactive element that undergoes a complex decay series, eventually transforming…

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.