Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the following list. A - 120Sb B - 123Sb C - 122Sb D - 124Sb

Q: The heaviest stable nucleus is an isotope of A. platinum. D. bismuth. B. gold. E. xenon. C. lead.

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Q: Which pair of symbols represents nuclei with the same number of neutrons? 56Co and 5Co 5' Fe and 5Ni…

A: An element is composed of mainly three constituents i.e. neutrons, protons, and electrons. Out of…

Q: Given the only naturally occurring isotope of phosphorus is P-31, determine its mass from the…

A: The mass of phosphorus-31 from the periodic table.

Q: Given the only naturally occurring isotope of aluminum is Al-27, determine its mass from the…

A: Isotopes of an element are the ones which have the same atomic number but different mass number.…

Q: How many protons and neutrons are present in an atom of 45/21A5Sc

A: The above is isotope of Scandium.

Q: Ba List the number of protons, neutrons, and nucleons (protons + neutrons), in that order, for an…

A:

Q: Gallium occurs naturally as 69Ga and 71Ga. Given the mass and abundance of gallium-69 (68.92 amu…

A: Given, Gallium occurs naturally as 69Ga and 71Ga and mass and abundance of gallium-69 is 68.92 amu…

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: m. 29Cu + on → 63, 64

A: Nuclear chemistry: Neutron --------> proton + -1βo  When Addition of neutron (0n1) to nuclide( z…

Q: Rhenium has two naturally occurring isotopes, Re-185 (mass = 184.953 amu) and Re-187 (186.9558 amu).…

A: The average atomic mass of the substance can be determined by the addition of the masses of each…

Q: 16 32.06 Identify the number of neutrons in one atom of sulfur with an atomic mass number of 34 amu.…

A: The mass number is the sum of number of Protons and number of Neutrons present in the nucleus of an…

Q: What is the atomic mass of boron-12? A. 13.00335 amu B. 4.00260 amu C. 18.99840 amu D. --…

A: Since boron has atomic number = 5  Hence number of electrons in boron = 5 and to become neutral atom…

Q: A certain element consists of two stable isotopes. The first has an atomic mass of 106.9051 amu and…

A:

Q: The complete symbol of an atom with atomic number 20, mass number 42 is? Select one: до Са20 а. 42…

A: Atomic number 20 means the element have 20 proton and mass number 42 means total proton ans neutron…

Q: An isotope of element A contains the same number of neutrons as are found in an atom of $1V. The…

A: Atomic number of the elements indicates the number of protons present in the particular atom.  Mass…

Q: How many neutrons are in the nucleus of an atom that has an atomic mass of 36 and an atomic number…

A: We are given a atom, lets say X having atomic number 25 and Atomic mass = 36.

Q: Neutrons: O Have a relative mass of 1 and a charge of +1 O Have a relative mass of 0 and a charge of…

A: A neutron is a sub-atomic particle with no net electrostatic charge, with a very similar mass to a…

Q: Relative abundance and atomic mass of the naturally occurring isotopes of hafnium: 5% - 176 amu 19%…

A:

Q: Above what atomic number are there no stable isotopes of any element? 20 89 83 92 40

A: Atomic number 92

Q: Beta particles are best described as _ ejected at high speeds from a radioactive nucleus. positive…

A: Radioactive decay is the emission of radiation from the unstable nucleus is called radioactivity .…

Q: - Rubidium has two naturally occurring isotopes, Rb-85 (rēlat and Rb-87 (relative mass 86.9092 amu).…

A: 35) Average atomic mass can be calculated by multiplying the % abundance of the isotope with…

Q: Identify the isotope formed when an atom captures a neutron, You may use your Periodic Table to…

A: The objective of the question is to identify the isotope when following atom captures a neutron.

Q: Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that…

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Q: CfY+4X nn A What is the atomic mass of the new atom? What is the atomic number of the new atom? What…

A: In nuclear reaction,  atomic number and mass number is balanced.  Balanced chemical reaction,…

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: Determine the missing element ----   3516S---->  -10e     +     ?

A: From given nuclear reaction  Missing element in the reaction is shown below

Q: Which of the following is incorrectly matched? neutron : -1 atomic mass unit (amu) neutron : located…

A: A chemical element is made up of atoms, the smallest unit of ordinary matter. Atoms, whether neutral…

Q: The radius of Uranium-238 nucleus is about 7.44 × 10-3 pm. Calculate the density of the nucleus (in…

A: Given: The radius of uranium-238 =7.44×10-3 pm Atomic mass of uranium = 238 amu

Q: Why does Sodium (Na) have fewer stable isotopes than Magnesium (Mg)?

A: The stable isotopes of an element depend on n/p ratio, if n/p close to 1 then it is likely to be…

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

A: An atom contains three subatomic particles: Electron Proton Neutron Electrons are negatively…

Q: Naturally occurring titanium exists as five stable isotopes. Four of the isotopes are: 46Ti with a…

A: The mass of the fifth isotope of titanium can be calculated as

Q: Carbon-14 is commonly used in radiometric dating to determine the age of fossils. The atomic number…

A: for a carbon-14 atom, atomic number = number of protons = 6

Q: On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of…

A: The atomic number of Hg = 80 Mass number of Hg = 200.59

Q: What is the mass number of a potassium (K) atom that has 20 neutrons? A 39 20 19 18

A: An atom is made up of protons, neutrons, and electrons. Protons and neutrons together make the…

Q: Copper has two stable isotopes with the following atomic masses: copper-63 (atomic mass = 62.9296…

A: Given: average atomic mass of copper = 63.546 amu atomic mass of copper-63 = 62.9296 amu atomic mass…

Q: 7. When a proton turns into a neutron in a nucleus, it emits what particle? c. positron d. proton a.…

A: Radioactive decay refers to the breakdown of an unstable nucleus to a stable nucleus with the…

Q: How can isotopes be used to identify the general region of a person’s place of residence?

A: Every organic and inorganic contains certain stable isotopes in different abundance. Isotope…

Q: An atom with 30 protons, 30 neutrons and 30 electrons has an atomic number of:     30     27,000…

A:

Q: A subatomic particle is located in the outermost shell of an atom. Due to its location, the particle…

A: Atomic structure schematic

Q: An aluminum atom has an average diameter of about 3.0 * 10- 8 cm. The nucleus has a diameter of…

A: Given, average diameter of aluminum atom = 3.0 x 10-8 cm            diameter of nucleus = 2.0 x…

Q: Atomic Number Mass Number Atom Symbol Protons Neutrons Fr 87 223 Tungsten 110 238 86 136 57 44

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Q: Sulfur has four naturally occurring stable isotopes. The onewith the lowest mass number is…

A: Introduction: As we know, Atomic mass =∑isotope mass +% Isotope abundance100 We know there are four…

Q: NUnilar ext Calcium-39 Gold-197 125 82 +1 Isotope Name (w/mass number) Atomic Number of Number of…

A: Atomic mass of any element is given following expression Atomic mass = Total number of Protons +…

Q: a) Compare the number of protons, neutrons, electrons, and nucleons for the two isotopes: Li-6 Li-7…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: 30. Based on the given data, which of the subatomic particles is the lig Particle Charge Mass (kg)…

A: Atomic number = number of proton, Atomic mass = no. of proton + no.of neutron

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

A:

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.

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

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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.