An atom of gadolinium has an atomic number of 64 anda mass number of 153. How many electrons, protons,and neutrons does it contain?

Q: An element with an average atomic mass of 17.673 amu has two naturally occuring isotopes If one…

A: Given:- Average atomic mass = 17.673 amu  Mass & abundance of one isotope = 18.731 amu &…

Q: Question attached

A: Complete the table Element Nuclear symbol Atomic number Mass number Proton Neutron Electron…

Q: An atom in which the number of protons is no longer equal to the number of electrons is ___.   A.…

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Q: There are three naturally occurring stable isotopes of magnesium: 24Mg, 25M., and 2°Mg, which have…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: The number of neutrons in an atom determines the type of element it is

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Q: The atomic number of nitrogen is 7. What is the mass number of a nitrogen atom with 6 neutrons?

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Q: What are the atomic number (Z), mass number (A), and symbol of the chlorine isotope with 18…

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

Q: Determine the number of protons and the number of neutrons in isotope. 147N

A: Protons and neutrons are present in the nucleus and collectively known as nucleons. Protons are…

Q: Suppose we redefined the atomic mass scale by arbitrarily assigning to the naturally occurring…

A: The atomic mass of a single atom is simply its total mass of the protons, neutrons, and electrons in…

Q: A carbon atom has a mass number of 12 and an atomic number of 6. How many neutrons does it have?

A: The atomic no. of the atom can be described as the total no. of protons that are present in the…

Q: What is the mass number of an isotope with an atomic number of 61 and that has 68 neutrons?

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Q: The three stable isotopes of magnesium are Mg2", Mg5 and Mg. The relative atomic mass of magnesium…

A: Given three isotopes of Mg are : a). Mg24 b). Mg25  c). Mg26  Relative atomic mass of Mg = 24.3…

Q: Beryllium has an atomic number of 4 and a mass number of 10. From this you can determine Beryllium…

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Q: Consider the atom with the chemical symbol Ru. What would be the mass number for an atom of Ru which…

A: Mass number is  the sum of the numbers of protons and neutrons present in the nucleus of an atom..…

Q: magnesium has three isotopes having mass numbers 24,25 and 26 a)write the complete chemical symbol…

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

Q: What is the mass number of a phosphorous (P) atom with 17 neutrons?

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Q: An element 'A' contains 5 protons, 5 electrons and 6 neutrons. it is a cation of Boron It becomes a…

A: Neutral Boron atom occupies 5th atomic number in the modern periodic table. Which states that it has…

Q: Which subatomic particle determines the atomic number?What determines the mass number?

A: Atom is the fundamental unit of a chemical compound or matter. An atom consists a nucleus in which…

Q: There are electrons, protons, and neutrons in an atom of 53,9 Cu

A: For symbol XZA.  No. of protons = No. of electrons = Z No. of neutrons = A-Z

Q: What is the mass number (A) of an iron atom that has 31 neutrons?

A: Mass number is equal to the sum of the number of protons and the number of neutrons.

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: The element lithium has two naturally occurring isotopes.One of these has a mass of 6.0151 amu and a…

A: Given that: mass of first isotope = 6.0151 amu abundance = 7.49 % mass of second isotope = 7.0160…

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: 6. Write the name of the isotope and the number of neutrons in a. Z=92 A=237 b. Z=86 A=222

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Q: What is the atomic number for an element whose mass number is 138, which contains 80 neutrons per…

A: Given : Mass number = 138  And number of neutrons in 1 atom = 80

Q: An element 'A' contains 15 protons, 15 electrons and 16 neutrons. it is |. It becomes when it has 15…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: How many neutrons are in a 4He atom

A: Atomic number: The number of protons in the nucleus of an atom is equal to the atomic number of the…

Q: That is to say the atom 108 47Ag . Determine the number of protons, neutrons and electrons in this…

A: The general representation of the atomic symbol. XZAWhere, X = atomic symbolA = mass no.Z = atomic…

Q: What is the mass number of an atom of calcium that has 21 neutrons?

A: We know ,  Mass number of an atom = number of proton + number of neutron

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Q: Magnesium has three isotopes with mass numbers 24, 25, and 26. (a) Write the complete chemical…

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

Q: How many electrons, protons, and neutrons does an element given as 2450X have?

A: The atom is represented by a general formula i.e. ZXA here,        Z = Atomic no. Which is equal to…

Q: (a) the ion with a 3+ charge, 28 electrons, and a mass number of 71 (b) the ion with 36 electrons,…

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Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is + . It becomes when it has 4…

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Q: An ion of platinum has a mass number of 195 and contains 74 electrons. How many protons and neutrons…

A: Given data: The mass number of platinum ion=195 Number of electrons present in platinum ion=74 To…

Q: Most of the volume of an atom is made up of protons and neutrons. neutrons. protons. empty space.…

A: Most of the volume of an atom is madeup of

Q: An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the xenon isotope’s…

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Q: An isotope has a mass number of 13 and an atomic number of 6. How many neutrons does this isotope…

A: Number of neutrons =  Mass number - Atomic Number

Q: What element has a mass number of 9 and has five neutrons in its nucleus?

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Q: How many electrons, protons, and neutrons are there in an atom ofa40Ca?

A: In the atom 40 Ca,  Atomic number = 40  So, proton number = 40  As it is neutral so,  Electron…

Q: Determine the number of protons and the number of neutrons in isotope. 226Ra88

A: 226Ra88 is the isotope of Radon. Now, how to determine number of protons and number of neutrons.…

Q: An isotope that contains 4 protons, 4 electrons, and 6 neutrons.

A: Atomic number (Z) is equal to number of protons Mass number (A) is the sum of number of protons and…

Q: Beryllium has an atomic number of 4. How many neutrons does the isotope beryllium-9 have? O 4 O 13 9…

A: * Atomic number = Number of protons  For the neutral atom , Number of electrons = number of protons…

Q: What is the mass number of an isotope with an atomic number of 57 and that has 72 neutrons?

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Q: What is mass number of a Ne atom that has 14 neutrons?

A: Symbol of an element as listed in periodic table has two numerals written with it. The one on…

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is It becomes • when it has 4…

A: The question is based on the concept of atomic structure. by looking at proton,  neutron &…

Q: A se atom has a mass number 78. Determine the number of neutrons, electrons and protons in this…

A: Selenium atom:In this atom, the atomic number illustrated by subscript and the mass number…

Q: What is the mass number of an atom which is made up of 38 protons, 52 neutrons and 38 electrons.

A: Mass number = Number of protons + Number of neutrons

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is •. It becomes • when it has 4…

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Group 14 Elements

The following elements come under group 14 of the periodic table.