Q the number of protons in the nucleus of an atom is 8, while the number of neutrons in the nucleus is 10. What are the atomic number and the mass number of this isotope?

Q: A hypothetical element has two isotopes: I = 62.00 amu and II = 66.00 amu. If the atomic mass of…

A:

Q: Complete the following table: Number Number Atomic Mass of of Number of Number Number protons…

A: Atomic number is the number of electrons. Mass number is the sum of number of electrons and number…

Q: Differentiate between different isotopes of an element?

A: A number of atoms of some elements have been identified, which have the same atomic number but…

Q: How many neutrons are in an atom of aluminum (Al) with a mass number of 27?

A:

Q: Isotopes are atoms with the same mass numbers but different atomic number. O True False

A:

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: Define the following terms thoroughly: Atomic number Mass number Isotopes

A: Atom is the smallest unit which can not be further divided in to any other tiny particle.

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: 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-?

A:

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: Determine the number of protons and the number of neutrons in isotope. 20882Pb

A: In 20882Pb :

Q: For each set of atoms identify the isotopes

A: For each set of atoms, isotopes are to be selected.

Q: What is the single exception to the statement that all atoms comprise protons,neutrons, and…

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: A helium nucleus has two protons and two neutrons. How many electrons does it take to equal the mass…

A:

Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?

A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…

Q: What is the atomic number for an element whose mass number is 196, which contains 116 neutrons per…

A: Given : mass number of element =196.                   Number of neutrons =116 To find : Atomic…

Q: Which element accounts for roughly 75% of the observed mass of the universe? Which four elements…

A: Hydrogen is the most abundant element in the universe which aaccounts for roughly 75% of the…

Q: The isotope with 15 protons and 14 neutrons is? The isotope with 9 protons and 8 neutrons is? The…

A: As we know, Mass number of an atom = number of protons +the number of neutrons Atomic Number of an…

Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: Copper has an isotope with an atomic mass of 62.93 and an abundance of 69.17%. A second isotope has…

A:

Q: Give a second property of neutrons that is similar to the properties of protons.

A: Firstly, both protons and neutrons have same mass, i.e. 1 amu.   1 atomic mass unit (amu) equals…

Q: An element has three naturally occurring isotopes. What other information must you know in order to…

A: Natural abundance and mass number of atoms of an element are required for calculation of atomic mass…

Q: This element has only two naturally occurring isotopes, in which the lighter isotope has an…

A: Given  Abundance of lighter isotope( AL )          = 19.9% Then abundance of heavier isotope (AH) =…

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

A:

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

A:

Q: Use the dropdowns to create a correct and complete isotope notation. An isotope has 108 neutrons…

A: The isotope can be determined based on the atomic number. The atomic number of an atom is the number…

Q: What isotope has 18 protons and 22 neutrons?

A: Isotopes are different forms of same element, having same number of protons in the nucleus but…

Q: Isotope #3 • Element Symbol Ag • Nuclear Symbol Ag 81 35 • Atomic Number 35 • Mass Number 81 •…

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

A: A nucleus is composed of neutrons and protons, therefore the overall mass of an element is composed…

Q: Write a isotope symbol for An atom with 66 neutrons and a mass number of 116

A: Isotopes are the species that differ to each other in number of neutrons they possess, but have same…

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: 1.)An atom of sodium contains 11 electrons, 11 protons, and 12 neutrons. What is the atomic number…

A:

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: An Se atom has a mass number of 78. How many neutrons does it have?

A:

Q: A hypothetical (fake) element has 2 naturally occurring isotopes. Isotope #1 has a mass of 185.8410…

A:

Q: Nitrogen-11 is an isotope of nitrogen that has 7 protons and 4 neutrons. What are the atomic number…

A: Given,  Isotope of nitrogen = Nitrogen-11  Number of protons in Nitrogen-11 = 7  Number of neutrons…

Q: How many electrons does it take to equal the mass of a proton?

A: An atom is made up of three subatomic particles. These are known as protons and neutrons that are…

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.