FIGURE 30.9 Nuclear energy-level diagrams of 1?C, 1²B, and 12N. A 2C nucleus is in its lowest possible energy state. Energy 2 2 4 4- Neutrons Protons Maximum numbers of neutrons and protons in each level A l'B nucleus could lower its energy if a neutron could turn into a proton. Energy 2 2 4 4 2 Neutrons Protons A 12N nucleus could lower its energy if a proton could turn into a neutron. Energy 12N 2. 4 4 2 Neutrons Protons

Q: Determine the charge and made of nuclei in amu made up of the following: 6 protons and 6 neutrons…

A: 1) The nuclei is having 6 protons and 6 neutrons Since the charge of proton is +1 and charge on…

Q: She discovered two new elements and received two Nobel Prizes, one in chemistry and one in physics.…

A: Marie Curie was first woman to win noble prize. She discovered two elements radium and polonium

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: Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in Chemistry) demonstrated…

A: I am solving only first three parts of the question as per the guidelines.

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

A: Given,  Chlorine-35 and Chlorine-37

Q: mb208675 Al changes saved 2. Use the band of stability to determine if europium-154 is a stable or…

A: In the given question , we have to use the band stability to determine Europium-154 is stable or…

Q: The mass of a protan is 1.00728 amd and thad ofa neutron is. 1.00817 amu. What is Co mideus? IThe…

A:

Q: 2. Use the following isotopes to answer the following 17 F, 135 Cs, 55 214 Po 84 write the nuclear…

A: Nuclear decay reaction: Also called as, Radioactive decay. It is reaction in which Radioactive…

Q: greatest number of stable isotopes? Ne, F, Na

A: The objective is to determine the greatest number stable of isotopes.

Q: The type of nuclear decay an unstable nucleus will undergo depends on its ratio of neutrons to…

A: Given  For Co - 65    n/p     = 1.41  Changes if this ratio is reduced = ?

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: H-2 is a stable atom. However, H-3 is a radioactive element. Give the reason.

A: Hydrogen (Z=1) element having  three Isotopes named as Hydrogen, deuterium and tritium.

Q: The last “missing” element from the first six periods waspromethium, which was finally discovered in…

A:

Q: which particle corresponds to isotope 3? 183Mt, 183W, or 109W

A: Isotopes are atoms that contain same number of protons but different number of neutrons. As a result…

Q: Part C In the PhET simulation, make sure that the checkbox Stable/Unstable in the bottom right is…

A: We have find out the answer.

Q: Find the number of electrons and neutrons in the following:  195Pt+2…

A: Protons are equal to the atomic number.  Platinum has atomic no. Of 78. *The number of neutrons =…

Q: How much energy must be supplied to break a single aluminum-27 nucleus into separated protons and…

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

Q: Write the nuclear symbols of the three isotopes of an element with an atomic number of 8 in which…

A: We have to write Atomic symbol for three isotopes of atomic number 8.

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: Which of the following describes an atom that is not an isotope of the other two? And why a)14p,…

A: Which of the following describes an atom that is not an isotope of the other two?

Q: Derive a formula for the atomic number of the most stable isotope of a given A and use it to find…

A: The most stable isotope of a given element A can be found using the formula:    N = Z + A-Z/2.4

Q: Question 12 Which characteristics correctly describe a neutron? A approximate mass 1 amu; charge +1;…

A: Characteristics of a neutron :

Q: From the list below, choose the atoms that ONLY have radioactive isotopes. Gold Curium Bismuth…

A: Radioactivity is the property of certain atoms to spontaneously emit particles and/or energy from…

Q: Which sub-atomic particles are part of the nucleus? Protons Lions Axons Electrons Neutrons

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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: when the proton number of the nucleus exceeds 60 the nucleus show the tendency to be unstable?…

A: Applying concept of n/p rule.

Q: In the equation, below, which disintegration product in the radioactive decay of carbon-14 results…

A:

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.