it has been suggested that element 114 has unusual stability, bu 114 is not a magic number. what is a possible neutron number for this element

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

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Q: Match the alpha decay products of the following elements: Drag the boxes to match the answers 91 Pa…

A: Alpha particle (α)can be represented as: It contains 4 mass number and 2 atomic number.

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

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Q: Given the only naturally occurring isotope of arsenic is AsAs-75, determine its mass from the…

A: Isotopes are the elements which have same atomic number and but different mass numbers.  In other…

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: Sr-90 has [ Select ] neutrons than Y-91

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Q: A sample containing 1.00X 10 stored for 135 day s will remain at the end of the storag e period of…

A: Reaction in which rate is linearly depend upon one reactant is known as first order reaction.

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: Nuclei with the same number of neutrons but different mass numbers are called isotones. Part A…

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Q: Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the…

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Q: All of the following are true of a neutron EXCEPT Group of answer choices A, negatively charged B,…

A: Neutrons are neutrally charged. So the answer is: Option A. negatively charged

Q: Plutonium Californium 17. What is the name of the elements with the following atomic numbers: Atomic…

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Q: Write the isotopic notation for an isotope that has an atomic number of 35 and a mass number of 81.

A: Given   Atomic Number   = 35    Mass   Number  =  81  Isotopic Notation     = ?

Q: Define atomic radiation.

A: Radiation : 1. It is a flow of atomic and sub-atomic particles and of electromagnetic waves which…

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

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Q: What is the atomic number of element X? 56% O a) 25

A: Atomic number  is  also called as proton number  of a chemical element  and it is defined as  number…

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: 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: 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: Calculate the number of neutrons in Krypton-80. Select one: a. 45 O b. 48 44 O d. 35

A: krypton is belong to the noble gases . nobles gases are present in last group of the periodic table…

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

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Q: An element has an atomic number of 52 and a mass number of 121. This element undergoes  K-Electron…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: 3 Which pair of symbols represents nuclei with the same number of neutrons? 56Co and 58CO S7Mn and…

A: Given element are Element Atomic number (From periodic table) Co 27 Fe 26 Ni 28 Mn 25…

Q: Potassium imparts a ________________color under the cobalt glass test. light green carmine red…

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Q: Given the atom   1123 X, find the following: a. Nucleon number b. Atomic number c. Proton number…

A: Given: The atom  X1123  We must know the following things to solve the question further: The atomic…

Q: Select the statements that are true concerning neutrons. they have a charge of zero O they are…

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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: Complete the following table. Isotopic Atomic Number Mass Number # protons # neutrons # electrons…

A: To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number:…

Q: Calculate the number of neutrons in Bromine-83. Select one: O a. 45 O b. 44.1 C. 48 O d. 35

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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: 6. No element exists with mass number larger than about 300. Explain Why?

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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: Arrange the isotopes of sulfur and phosphorus in order of decreasing the number of neutrons.

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Q: Which one of the following has as many electrons as it has neutrons? A) 19F B) 40C22+ C) 14C4- D}…

A: To find: Isotope which has the same number of electrons as the number of neutrons in it.

Q: Atomic charge Electron number Symbol Mass Proton Neutron number number number number ww ww 16 127 53…

A: Symbol of element is given  Mass number ,Atomic Number ,Proton number ,electron  Number , Neutron…

Q: What will be the systematic name and atomic symbol given to a. element 202 b. element 136

A: We are to write systematic names and aromic symbol for elements 202 and 136.

Q: Write the shorthand notation for an isotope of Fluorine that has an atomic number of 9 and 11…

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Q: atomic number is the number of  1. radioactive isotopes of an element 2. protons in an atom of an…

A: Every element in the periodic table has its specific atomic number according to which they are…

Q: Select the pair of elements that have the same number of neutron 68 30 Zn 77 33 As OSe 77 34 7ZAS…

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

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Q: what are the properties of cathode rays and anode rays?

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Q: An element has a atomic number of 75 and a mass number of 125. This element undergoes K-Electron…

A: Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process…

Q: In 2 H, +, number of neutrons are Select one: а. О O b. 2 Ос. О с. 3 O d. 1

A: In this question, we will determine the number of neutrons.  You can see details solution below.

Q: Assuming that a neutron star has the same density as a neutron, calculate the mass in kilograms of a…

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Q: 11. Among all the Group 18 elements, which one is found to possess radioactive property? A. Xenon В.…

A: Noble gases are the element present in 18th group of periodic table having stable electronic…

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.