What are the atomic number (Z), mass number (A), and symbol of the chlorine isotope with 18 neutrons?

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: Calculate the atomic mass of element "X", if it has 3 naturally occurring isotopes with the…

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Q: Write the symbol of an isotope that has a mass number of 59 and an atomic number of 26.

A: This is the representation of an element whereZ= Atomic numberA=Atomic mass/Mass NumberX=Element…

Q: What is the mass number of an isotope with an atomic number of 56 and that has 75 neutrons?

A: Mass number is the atomic mass of an atom. It is the sum of no of protons and no of neutrons present…

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: Which isotope has the same number of electrons and neutrons as the anion 19F-?

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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 element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

A: The element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

Q: What is the atomic number for an element whose mass number is 115, which contains 65 neutrons per…

A: Welcome to bartleby ! We have to tell atomic number

Q: 20. I How many protons, neutrons and electrons are there in a neutral atom of the isotope…

A: • In chemistry element represent the following                                  way:-…

Q: Besides number of neutrons, what else do isotopes of the same element have that is different?

A: Isotopes are the variation of chemical elements that have the same number of protons but a different…

Q: Argon (Ar) has three naturally occurring isotopes namely: Ar-36, Ar-38, and Ar-40. a) How are these…

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Q: What is the atomic number of an element whose mass number is 78, which contain 50 neutrons per atom?

A: The atomic number of an element represents the total number of protons present in the nucleus of the…

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: Write the atomic symbol for the isotope with mass number 84.

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Q: Determine the number of protons and the number of neutrons in isotope. 2311Na

A: The number of protons and the number of neutrons in isotope 2311Na can be identified as, Atomic…

Q: Oxygen has three isotopes, 16O, 17O, and 18O. The atomic number of oxygen is 8. How many protons and…

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

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

Q: What data must you know about the isotopes of an element to calculate the atomic mass of the…

A: The elements that have different atomic mass and same atomic number are known as isotopes.

Q: the isotope with 33 protons and 40 neutrons in its nucleus

A: Given : number of protons is 33. And number of neutrons = 40

Q: A new isotope is discovered that has a mass of 25 amu and 15 neutrons. What is the elemental…

A: Given that, Mass = 25 amu No. of neutron=15 Element ?

Q: Atoms that vary in the number of neutrons found in their nuclei are called ________. a. ions b.…

A: Atoms are fundamental and smallest unit of chemical element. It contains protons, neutrons, and…

Q: 10. Copper has two naturally occurring isotopes, 6Cu (isotopic mass = 62.9296 amu) and 6Cu (isotopic…

A: Atoms of the same element having same atomic number but different mass number are called as…

Q: Calculate the atomic weight of antimony, which has two isotopes with the following properties:…

A: The atomic mass of an element is result of weighted average of masses of its corresponding…

Q: For an isotope that has 82 protons and 124 neutrons. What is the mass number (A) and what is the…

A: Given :- number of protons = 82               number of neutrons = 124  To be calculated :-  Mass…

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: Write the isotope symbol that fits the description, using a superscript for the mass number and a…

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Q: What is the mass number of an element that contains 25 protons, 22 electrons, and 20 neutrons?

A: The given data contains, Number of protons = 25. Number of electrons = 22. Number of neutrons = 20.

Q: The nucleus of an atom contains 56 neutrons.  The atom contains 43 electrons.  What element is it…

A: Given, Number of neutrons = 56 Number of electrons = 43 To calculate the mass number and to find…

Q: How many neutrons are there in an atom of iron with a mass number of 52?

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Q: What is the mass number of potassium-39? What is the isotope’s charge?

A: Given atom,      Potassium-39   For a neutral atom, atomic number = Number of protons = Number 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: 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: 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: 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 element has a mass of 207 and has 125 neutrons in its nucleus. How many protons and electrons…

A: The smallest unit that retains an element's attributes is defined as an atom. Atoms can't be created…

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: neutrons

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Q: What are the atomic number, mass number, and symbol for the carbon isotope with seven neutrons?

A: Given: Carbon isotope with seven neutrons

Q: How many neutrons are there in this element?

A: Given : We have to tell number of neutrons in the given element.

Q: Fill in the blanks. Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope    = Mg2+24 Number of proton    = ?  Number of neutron  = ?  Number of…

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: In the isotope that has an atomic number of 9, mass number of 18, and charge of -1, there are:…

A: Given that: Atomic number = 9 Mass number = 18 Charge = -1

Group 14 Elements

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