when the proton number of the nucleus exceeds 60 the nucleus show the tendency to be unstable?  True or false

Q: MCQ 31: The mass number is the A. atomic number B. nucleon number C. proton number D. neutron number

A: The mass number is also called atomic mass number or nucleon number it is the total number of…

Q: See if you can complete the following table using only what is on this page. Hint: Two of the…

A: Fill in the blanks--

Q: Activity 3- Fill in the Table Can you do it for carbon isotopes: carbon-12, carbon13 ai has an…

A: Isotopes are elements having same atomic number and different mass number  For example  Hydrogen has…

Q: cteristic(s) of nuclei for which we predict a high deg even numbers of protons or neutrons. more…

A:

Q: Which element has the most tightly bound nucleus? is the correct answer. (No nuclear reactions can…

A: The most tightly bound nucleus can be observed from Nuclear Binding Energy curve. The curve predicts…

Q: Q and R are in the same period where the proton number of Q is smaller than R. Choose the best…

A: Effective nuclear charge increase from left to right in period .  It is given that proton number of…

Q: A sample of element X contains 90% X-35, 8.0% X-37, and 2.0% X-38 atoms. The average atomic mass…

A: The average atomic mass = M1× M1(%) + M2× M2(%) +...... +Mn× Mn(%) / 100. Hence, M1 =35,M2= 37, M3…

Q: Question (1E Answer the following statements with True or False and correct the false one 1. The…

A: 1.  False statement, Correct statement: both mass and charge of gamma-ray is zero. gamma rays are…

Q: No. of No. of Atomic Isotopic A. Element Isotope mass (u) abundance (3 decimal places) protons…

A:

Q: Choose between parentheses 1-To convert number of particle to weight, you do not need to know.... *…

A: To convert the number of particles/atoms into a weight of an atom,   We need Initially to know that…

Q: MCQ 33: Neutrons (nº) are neutral and carry A. positive charge B. negative charge C. no charge D.…

A: The particles in an atom which has neutral charge are known as neutron. This particles are…

Q: The n/p ratio of a nucleus is an indication of the * A. chemical reactivity of the element…

A: Nuclear Stability define the stability of an isotope.  two main factors should be keep in mind…

Q: True or False? Atomic weight is equal to the number of protons and neutrons in the nucleus.

A: Given : Statement "Atomic weight is equal to the number of protons and neutrons in the nucleus"

Q: The element neptunium (Np) has a radioactive isotope called 237N.. 237NP can undergo alpha deca to…

A: Given reaction: N237p → ? + H4e We have to find the missing atom.

Q: Which of the following statements is not correct about the stability of nucleus? a. The stable…

A: all elements with more than 83 protons such as uranium, radium, and polonium have unstable nuclei.…

Q: Select all that apply. For each pair of isotopes listed, predict which one is less stable. (a) ÓLi…

A:

Q: Question 22 Antimony has 2 stable isotopes 121-Sb mass 122.9042 amu. Calculate the percent abund…

A:

Q: 26. In a radioactive decay, the Z of the parent nucleus decreases by one unit, therefore, the…

A: * Z represent  atomic number that is number of proton present  in an tom

Q: 1. For each of isotopes listed, predict which one is less stable. Encircle the answer a. ( Li or b…

A:

Q: 11:11 Ô A D Instructions - Classes - C... https://coetbschemfabon.neolm. Fill in the blanks: (4.1)…

A:

Q: 1. Indi cate of protons and nevutrons in the following nuclei: the number a) 5 Mn 22

A:

Q: The stability of any nucleus is determined by the difference between the repulsion and the short-…

A: According to question 4th option is  not correct that is All isotopes of the elements with atomic…

Q: weight germani owing lable pre ... Isotope Abundance Mass 70 Ge 20.8% 69.9242 amu 72 Ge 27.5%…

A: Given :

Q: Which of the following statements is/are true? Select the best overall answer. a. a greater…

A: Correct options are: a. a greater deuterium (or hydrogen isotope) values occur closure to the…

Q: Density of the hydrogen nucleus Calculate the density of the hydrogen nucleus using the information…

A: Given : Radius of hydrogen nucleus = 0.9 fm  Since 1 fm = 10-13 cm  Hence radius of hydrogen nucleus…

Q: Determine the type of neutrino or antineutrino involved in each of the following processes.(a) π+ →…

A: a.

Q: Electron only has a-1 charge Proton only has a mass about the same as that of a proton Neutron only…

A: We can solve this question by difination of all subatomic partical electron proton and neotron.

Q: 000000PPPPPPPPP. Number of Protons 000000Name of Number of Abundance Abundance Mass (amu) isotope…

A:

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: Which of the following species is an isotope of 79Br? A) 40Ar+ B) 79Se c) 79Br- D) 80BR E) 3452-

A: Isotopes :-  Atoms of the same element having same atomic number but different mass numbers are…

Q: Beta Decay tlectron IL a changed man! During Beta decay what is happening to the nucleus to try and…

A: Beta decay is a type of radioactive decay.

Q: Naturally occurring bromine is a mixture of 50.69% Br-79 with an amu = 78.92 and 49.31% Br-81 with a…

A: Atomic weights are obtained by multiplying the abundance of isotopes along with its atomic mass and…

Q: Select all that apply. For each pair of isotopes listed, predict which one is less stable. (a) “Li…

A: The stability of isotopes can be calculated as follows

Q: Alpha particles are: Group of answer choices protons X-rays neutrons helium nuclei electrons

A: Alpha particles are helium neclei

Q: Which one of the following statements is true for atom having following reaction in its nucleus? ip→…

A: Given is nuclear reaction.

Q: For numbers 12– 16 , refer to the given choices below. For each pair of isotopes listed, predict…

A: Here are multiple question so I am going to solve a upper three questions .thanks.

Q: Find the nuclear symbol for Chromium-57.

A: Given  Element = Chromium - 57  Nuclear symbol = ?

Q: Homework for Unit 1 1. Determine the number of protons, neutrons and electrons for each of the…

A:

Q: From the following nuclei identify and group the nuclei that are isotopes, isotones or isobars:…

A: Isotopes are elements with same number atomic number but different mass number. Isobars are element…

Q: How do different isotopes of nitrogen behave similarly or differently from each other in a chemical…

A: Isotopes are elements having same number of protons but different number of neutrons.

Q: 2. What is the nuclei or particle in the blank of the condensed form of * 24°Cf ( 15N, 4n)_. [A]…

A: in nuclear reaction Mass number are  conserved. That means  total mass number on reactent side is…

Q: Naturally occurring bromine is a mixture of 50.69% Br-79 with an amu = 78.92 and 49.31% Br-81 with a…

A: We have given that Naturally occurring bromine is a mixture of 50.69% Br-79 with an amu = 78.92 and…

Q: When a β+ is emitted from an unstable nucleus, True/False-  the atomic number of the nucleus does…

A: All the atoms which are heavier than hydrogen atom consist of a nucleus which contains protons…

Q: Fill in the missing parts of the following reactions. (Express your answer as an isotope.) 75 a. 33…

A:

Q: You are only given the number of protons 7, and number of neautrons 8. Fill in the rest of the…

A:

Q: ct one: a. Vibration of nucleus b. Movement of electron around the nuc- c. Total size of electron…

A: Size of atom is determined by outermost shell electrons.  So, movement of electrons around the…

Q: toms Elements and lons -Attempt 1 unting Protons and Neutrons Reset Help 20 70 Element Number of…

A: An atom is a small particles that consists a nucleus which is surrounded by negatively charged…

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.