Which of the following is considered to be radioactive isotope of hydrogen? Also give the names of the isotopes.  A. 1H B. 2H C. 3H D. All of these are unstable  E. None of these are unstable

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: What notations are commonly used to specify isotopes?What do each of the numbers in these symbols…

A: ANSWER

Q: 1.Which of these is a description of nuclear fission?

A: A is correct option.

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: The alpha decay of thorium 234 would produce what daughter isotope?

A:

Q: What is radioactive iodine?

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

Q: The nuclear glue that helps bind a nucleus is the? A. Alpha B. Electron C. Neutron D. Proton E. Beta

A:

Q: What is the difference between Uranium - 235 and Uranium - 238? Which one is more desirable? What…

A: Uranium-235 is Unstable and it contains 92 protons and 143 neutrons. Therefore, the atomic mass of…

Q: Uranium-235 isotopes absorb neutrons, causing the U-235 to become unstable and split into two…

A: When a nuclei uranium-235 is hit with a slow-moving neutron, the nuclei absorbs it and temporarily…

Q: The radioactive element francium undergoes a series of nuclear decays, eventually forming a stable…

A: Alpha DecayXZA - H24e  → YZ-2A-4          ↓         ∝Beta decaye.g C614   - e-10    → N714

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: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17…

A: Isoelectronic species can be defined as the species which have same number of electrons in an atom.

Q: Which element is most likely to be radioactive?

A: Radioactivity It is the process by which an unstable atomic nucleus will lose energy through the…

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

A:

Q: The atomic masses of hydrogen-2 (deuterium), helium-4, and lithium-6 are 2.014102 amu, 4.002602 amu,…

A: Atomic masses hydrogen, H = 2.014102 amu

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: What is nuclear fusion? O A. a process in which the nucleus of an atom combines with the nucleus of…

A: Fusion indicates that two or more substances are fused together.  Nuclear fusion is a reaction in…

Q: For the Isotope 6731GaA. What is the atomic number?B. What is the mass number?C. What is the number…

A: The general representation of nucleus and the atomic number and mass number of given element is,

Q: Calcium-45 has too many neutrons compared to the number of protons. Because of this, it will most…

A:

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: During radioactive decay, how many types of rays can be emitted? Three One Two No rays are emitted…

A: The Radioactive decay is the spontaneous process in nuclear process . In this atomic nucleus is…

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

A:

Q: stable

A: Hydrogen consists of three isoptopes namely protium, deuterium and tritium. Protium consists of one…

Q: what are radioactive elements? Give examples

A: Radioactive elements:When an element is subjected to spontaneous degeneration of its nucleus…

Q: Which of these families has only radioactive elements? * > ><

A:

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: Unstable isotopes are not radioactive. O True O False

A:

Q: What are the 10 natural radioactive elements?

A:

Q: The element uranium (U) can undergo both nuclear and chemical reactions. In power plants, the…

A: Uranium reactivity increases with increasing temperature whereas, in a nuclear reaction, the heat is…

Q: Define radioactive isotope

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60?

A: The atomic number of copper is 29 and the mass number of radioactive isotope of copper is given as…

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation.…

A: The Radioactive atoms emit radiation of different frequencies.  The radiation are emitted by the…

Q: 239 142 Indicate the number of protons and neutrons in the following nuclei: (a) 94 -Ри, (b) Ba, (c)…

A:

Q: What is the difference between a radioactive isotope and a stable isotope? What is the history of…

A:

Q: Why are atoms, neutrons, and protons not considered elementary particles? and why is electrons…

A: Atoms are the basic building blocks of any element.

Q: 4 The smallest unit of 5. The nucleus is foun

A: the nucleus is found at the centre of the atom

Q: Negatively charged particles of radiation emitted from the decay of radioactive substances are known…

A: A) Protons : It is one of the fundamental particle of an atom. It is basically  positively charged…

Q: 55.75g Al + 215,5g Oxygen , what mass is formed

A: Answer= 105.31 g

Q: Compare the neutrons in 188RE and 188W.

A: mass number = number of protons + number of neutrons  number of neutrons = mass number - number of…

Q: In 1909, a team of British scientists led by Ernest Rutherford, carried out the Gold Foil Experiment…

A: Gold Foil Experiment helped to determine the arrangement of particles in the atom.

Q: What are Cathode rays?

A: Given information,      Cathode rays

Q: Nucleons The term nucleon refers to the particles found in the nucleus of an atom, namely protons…

A:

Q: When the number of protons or neutrons changes, what type of reaction took place? A.…

A: When the number of protons or neutrons changes, what type of reaction took place?

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.