Define radioactive isotope

Q: Estimate the optimal number of neutrons for a nucleus containing 70 protons.

A: The neutrons and protons, the contents making the nucleus of an atom determine its stability.…

Q: Isotopes are defined as atoms ofa. the same element with different numbers of protons.b. radioactive…

A: Atoms of the same element have the same number of protons, which is also called the atomic number.

Q: Explain the nuclear theory of the atom ?

A: Atom is the smallest, tiny indivisible particle of any matter. There are three fundamental subatomic…

Q: Define the term atomic nucleus?

A: Atoms are the building blocks of any matter. The composition of the atomic nucleus gives information…

Q: Describe the properties of protons,neutrons, and electrons.

A: An atom is made up of subatomic particles like proton, neutron and electron. Electron is present in…

Q: What is a quark?

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Q: What are Radioactive Isotopes ?

A: The term isotope is defined as two or more form of the same element which differs in the number of…

Q: Explain and identify atomic number, and atomic mass

A: Atomic number-> ->Atomic number is the number of protons present in an atom. ->It can not…

Q: Why are some atoms radioactive?

A: The radioactive nuclei are unstable and have an excess number of either protons or neutrons in the…

Q: Define the term Neutron-to-Proton Ratio?

A: To find: The Definition of Neutron-to-proton ratio

Q: summarize the properties of protons, neutrons, and electrons?

A: Concept introduction: Atom mainly consist the electrons, protons and neutrons. Protons and neutrons…

Q: What is radioactive iodine?

A: Interpretation: What is radioactive iodine is to be determined.

Q: Another name for an isotope is: Radion Heavy element Positron Transition element

A: Isotopes are compounds that have same atomic number but different mass number.

Q: Define alpha particle, beta particle, and gamma ray.

A: Nuclear reactions are reactions in which one or more nuclei are produced from the collisions between…

Q: What does the number 84 represent in the name krypton -84?

A: Since we know that  a element having same atomic number but different mass number are known as…

Q: Define atomic radiation.

A: Radiation : 1. It is a flow of atomic and sub-atomic particles and of electromagnetic waves which…

Q: What is the meaning of half-life of an isotope. Explain with the help of an example

A: What is the meaning of half-life of an isotope. Explain with the help of an example

Q: What is the charge of the nucleus of element 89?

A: The number of protons corresponds to the charge of the nucleus since Neutrons have no net charge, it…

Q: Magic numbers are associated with protons and neutrons in a nucleus. State the magic numbers for…

A: . There are many factors that give to nuclear stability.  These are,   Full nuclear shell (magic…

Q: Atoms that have the same atomic number but different numbers of neutrons are radioactive. O…

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Q: atomic number 119 and mass number of 252  where would this element be placed? What period would it…

A: Ununennium   Ununennium, also known as eka-francium or element 119, is the hypothetical…

Q: What is a stable isotope of lithium? How many electrons does it have?

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Q: Write a isotope symbol for An atom with 66 neutrons and a mass number of 116

A: Isotopes are the species that differ to each other in number of neutrons they possess, but have same…

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: A sample of the nonexistent element mythium consists of 25.59% of an isotope with mass number 580,…

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

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Q: Which demonstrates the existence of isotopes? a. 18 Ar and K b. ºC and EN c. 23 Th and 23 Th d. 7Z1…

A: Isotopes : Two or more forms of the same element that contain same atomic number (same number of…

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

A: The isotopes of elements which has neutron/proton ratio is more than 1.5 are mainly radioactive and…

Q: Describe how cathode rays are used to generate television and computer monitor images.

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Q: 19 94 element: # protons: # neutrons:

A: Atomic number of an atom is equal to the number of protons present in it. It is written in the…

Q: Isotopic elements contain the same number of neutrons

A: No, Isotopic elements doesn’t contain the same number of neutrons. So the above  statement (…

Q: what are the Similarities of atomic mass and atomic numbers?

A: Atomic mass is associated with the number of neutrons and protons that are present in a particular…

Q: Which are the three basic parts of the nuclear theory of the atom?

A: The nuclear theory of the atom is given by Rutherford which has the following basic parts. In the…

Q: [d] Do the same with these five words: beta, neutron, uncertainty, decay, electron.

A: [c] Write a single sentence, using all of these five words plus other words, that makes scientific…

Q: how to rank the isotopes in order of increasing number of neutrons

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Q: Determine the number of protons and the number of neutrons in isotope. 22286Rn

A: An element consists of same type of atoms. An atom is composed of certain sub-atomic particles;…

Q: atoms which has the largest mass?

A: Till now periodic table contains 118 elements

Q: what are the properties of cathode rays and anode rays?

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Q: What condition describes a radioactive atom ?

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Q: What are Cathode rays?

A: Given information,      Cathode rays

Q: Isotope Name Nuclear symbol Atomic Number Numbers Mass Number of protons Number Number of of…

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Q: Write the symbolic notation of an isotope of an element having 8 protons, 8 electrons, and 9…

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Q: An isotope of Uranium has an atomic mass of 240. How many neutrons does this isotope have

A: mass number is the sum of number of protons and number of neutrons.

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.