Indi cate of protons and neutrons in the following nuclei: the number b) 201 Hg

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: 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: The nucleus, the massive center of an atom, contains which two particles?

A: Nucleus is the massive part of any atoms . It contains mostly all the mass any element. Nucleus was…

Q: 4. What do you understand I A. lodine number,

A: ANSWER IS

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: According to the question, the radioactive element C has half life of 5750 years.  Lost percentage…

Q: 23. What is the percent natural abundance of isotopes?

A: Atoms having the same atomic number but different mass numbers are known as the isotopes of each…

Q: The cobaltisotope(t1 / 2 = 5.28yr) C^60is produced at a rate of 10 ^ 12atom / sec for a period of…

A: Given that, t1/2 = 5.28 year = (5.28×365×24×3600) s Hence, disintegration constant = λ =…

Q: The atomic masses of nitrogen-14, titanium-48, and xenon-129 are 13.999234 amu, 47.935878 amu, and…

A: Given, the atomic masses of nitrogen-14, titanium-48, and xenon-129 are 13.999234 amu, 47.935878…

Q: Naturally occurring zinc metal is composed of Zn-65 with an atomic mass of 65.008. and Zn-67 with an…

A:

Q: the oxygen isotope with 7 neutrons

A:

Q: 10. For the Isotope 6731Ga A. What is the atomic number? B. What is the mass number? C. What is the…

A: Question 10: Given isotope is: 6731Ga. What is its atomic number? What is its mass number? How many…

Q: A fictional element has 2 isotopes and an atomic mass of 67.18 amu. If the first isotope is 66 amu…

A: Average atomic mass can be determined by the equation given below:

Q: One atom of Se-77 is 6.410 times as heavy as an atom of C-12. What is the atomic mass of Se-77?

A:

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

A:

Q: Try to complete the missing information for these three isotopes using only the data provided.

A: an atom consist of subatomic particle electron ,proton and neutron electron are negatively charged…

Q: Naturally occurring neon exists as three isotopes. 90.51% is Ne-20 with a mass of 19.99 amu, 0.27%…

A:

Q: Even though several elements have only one naturallyoccurring isotope and all atomic nuclei have…

A: The average mass of naturally formed isotopes is the atomic mass of the atom and the sum of number…

Q: What does the nucleus of an atom consists of?

A: In an atom, three fundamental particles are present, proton, electron, and neutron.

Q: 226 Th 90 +{He Express your answer as an isotope. ΑΣφ ? OA chemical reaction does not occur for this…

A: We have to express your answer as an isotope in part B as follows in step 2:

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

A:

Q: కా 1. Indi cate the number of protons and neutrons in the following nuclei: c) Dotassium - 39

A: Atomic number = number of protons Mass number = number of neutrons + number of protons If atom is…

Q: Question attached

A: Electrons, protons, and neutrons are subatomic particles. Meaning, they reside within an atom. An…

Q: Vi-50 has a mass of 49.9472 amu and Vi-51 has a mass of 50.9440 with an average mass of 50.9415 amu.…

A: Consider the abundance of Vi-50 is X% and the abundance of Vi-51 is (100-X) %. The average atomic…

Q: Fil in the chart below: Element Atomic # Mass # # of protons # of electrons # of neutrons Rubidium…

A: Atomic number = number of protons = number of electrons Mass number = number of protons + number of…

Q: contains 62 protons with positive three charge.

A:

Q: Describe how the atomic and mass numbers change, with at least one specific example?

A: An atom has a nucleus situated at the center and the electrons are surrounding it. The nucleus has…

Q: For the 19O2- Isotope identify the number of Protons,  Neutrons,  Electrons

A: For a general element, XZA Z- atomic number = number of protons A- mass number = number of protons +…

Q: 2. Copper has two stable isotopes with the following masses and % abundances: Cu-63 (62.93 amu,…

A: Calculation of average masses:       As per our guideline we have to answer first question only.

Q: In ______, an _ particle (identical to a helium nucleus of two protons and two neutrons) is ejected…

A: A radioactive decay in which alpha particle decays into another nuclei with a mass number reduced by…

Q: Chiorine exists in natute aga mixture ot stable isotopes ,cl-35 and ct-37:74 the atomic magg of…

A:

Q: Boron has only 2 naturally occuring isotopes. The mass of boron-10 is 10.01294 and the mass of…

A: Given : Mass of boron-10 is 10.01294 amu and boron-11 is 11.00931 amu. Assuming abundance of…

Q: Select H, atomic number 1. How many stable Isotopes ofH exist?

A:

Q: An isotope of uranium is 238U. How many protons, neutrons and electrons are in this isotope?

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: 2. Use the following isotopes to answer the following 17 F, 9 135 Cs, 55 100 Sn, 50 214 Po 84 Sr, 38…

A: The stability of a nucleus depends on the ratio of the number of neutrons to the number of protons…

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: How to calculate number of isotopes in a RAM question

A: Relative atomic mass (RAM) - the relative atomic mass of an element is expressed as the average…

Q: How many neutrons are in the nucleus of the isotope at -210?

A: The mass number is comprised of neutrons and protons. Here, the number of protons will be obtained…

Q: Select the single best answer. For this pair of elements (F and Se), predict which one has more…

A:

Q: The isotope of plutonium used for nuclear fission is 239Pu.Determine (a) the ratio of the number of…

A: Concept Introduction: The atomic number is equal to the number of protons and number of electrons…

Q: Enter yeur ansmer in the provided bes. 113 The atemic masses of the two stable isotopes ef indium.In…

A:

Q: Using the following incomplete nuclear symbol answer the following questions. 96 +2 42 a. What is…

A: While writing the atomic symbol of any specie, the mass number is written in the left top, atomic…

Q: All changeve Radioactive isotopes of elements can be used in medicine to diagnose and treat disease.…

A: Answer: A radio active isotope has an unstable nucleolus that emits smaller particles.

Q: 25Mg an isotope to 25Mg2+ ? Yes or No

A: Answer:  Isotope: isotope is is speics that have same in atomic number and different in mass…

Q: What is the mass of the other isotope of Boron given 11B has a mass of 11.0093 amu and an abundance…

A: Isotopes of boron are 11B and 10B. Average atomic mass=∑mass of isotope×Relative abundance %100 Mass…

Q: Below are the five atomic models in history. Number them in historical order from 1 to 5. (1 being…

A: The 5 atomic models in history are given. They are to be numbered in historical order from 1 to 5.…

Q: (c) Calculate the mass percent of protons in the nucleus of each of these isotopes. % of protons in…

A: . We know that ,      mass of Proton= 1.007276 amu     mass of Neutron= 1.008664 amuIn Nucleous…

Q: The flying out of BB's out of the petri dish in the isotope experiment, represented O a. ice cores O…

A: Isotopes are elements which have the same number of protons as the corresponding element in the…

Q: Isotopes are atoms of same element with different mass number. Select one: O True O False

A: An atoms is primarily composed of subatomic particles like proton, neutron and electron. Electrons…

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.