What are the different mass numbers of Isotopes ?

Q: Estimate the optimal number of neutrons for a nucleus containing 70 protons.

A: The neutrons and protons, the contents making the nucleus of an atom determine its stability.…

Q: What is the atomic mass of an atom?

A: The atoms are placed in periodic table according to their atomic numbers.

Q: When does the number of Neutrons vary?

A: An atom consits of the electron,proton and neutron. The atomic mass of the atom depends upon the…

Q: Explain the difference between Z (the atomic number) and A (the mass number)?

A: Concept introduction: Atomic number and mass number are the basic properties of element. An atom…

Q: Differentiate between the mass number and the atomic number?

A: Mass number (A)- the number of protons(p) and neutrons(n) present in an atom of element called as…

Q: Isotopes means; same element can have different masses.

A: Isotopes mean;  same element can have different masses: True Explanation:  Isotopes are a family of…

Q: Atoms of the same element that have different atomic masses are called isotopes

A: An isotope is a variation of an element that possesses the same atomic number but a different mass…

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: Define and discuss isotopes.

A: Isotopes are atoms that contain same number of protons and different number of neutrons. Isotopes…

Q: What is the mass number for an atom of barium containing 56 protons and 80 neutrons?

A: Atomic number = Number of protons  Mass number = Number of protons + number of neutron Given that:…

Q: Fill in the blanks: Isotopes are atoms with the same ________ number but different ________ numbers

A: Atoms are small unit of matter combine to form molecule. Atomic number- It is the no. of protons an…

Q: What is meant by neutrons ?

A: The minute particle of a substance is called as an atom. Atom consists of subatomic particles.…

Q: What factors have led to changes in atomic mass since 1910?

A: Atomic Mass - It is basically the mass of an atom.

Q: All isotopes of an element have a different number of

A: The atom contains three types of subatomic particles, proton, neutron and electron. The protons and…

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

A:

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 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: How is the mass number related to the number of protons and neutrons an atom has?

A: The nucleus of an atom contains three sub-atomic particles. These are protons, neutrons and…

Q: What is the mass of each isotope?

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

Q: the neutral atoms of all of the isotopes of the same elements have. A. different numbers of protons…

A: Given : Neutral atoms of all isotopes of same elements.

Q: isotopes of each other

A: An isotope means the same atomic number, but different numbers of neutrons in the nucleus.

Q: For the particles of an atom, which two particles have the same mass?

A:

Q: How many electrons would it take to equal the mass of a helium nucleus?

A: The helium atom has 2 protons, 2 neutrons and 2 electrons. The mass of helium nucleus depends only…

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

A:

Q: Which demonstrates the existence of isotopes? a. 18 Ar and K b. ºC and EN c. 23 Th and 23 Th d. 7Z1…

A: Isotopes : Two or more forms of the same element that contain same atomic number (same number of…

Q: Define neutron

A: Atoms are the building blocks of the matter. Earlier, atoms were considered to be indivisible and…

Q: What is the correct shorthand notation for an atom of

A: For an atom representation first, write its symbol and then in superscript on the left side of  the…

Q: An isotope that contains 51 protons, 51 electrons, and 74 neutrons. What is its two notations?

A: Isotopes are those elements which have same atomic number but different mass number.   Atomic number…

Q: Define radioactive isotope

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

Q: The complete symbol of an atom with atomic number 20, mass number 42 is?

A: Calcium is the element with the atomic number 20.

Q: Isotopes have different atomic numbers but same mass numbers. (True / False)

A: Isotopes:  Atoms having the same number of protons (Z) but different number of neutrons (N) are…

Q: What is the mass number of an isotope

A: Mass number is equal to sum of mass of atomic number and number of neutron

Q: In an atom, the mass number gives the number of ________ and _________ in the nucleus. Fill in the…

A:

Q: An isotope of uranium is 238U. How many protons, neutrons and electrons are in this isotope?

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

Q: how to rank the isotopes in order of increasing number of neutrons

A:

Q: What is the mass number for an atom of osmium containing 76 protons and 112 neutrons?

A: The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of…

Q: What is a atomic mass number

A: Atomic mass number is associated with a single atom, that is, mass of an atom. Furthermore,…

Q: What is the mass number of an isotope?

A: Isotopes are those atoms which having same elements and they are having protons of same number and…

Q: What are the number of protons, neutrons, and electrons in the following isotopes?

A: Atomic number of an element is equal to the number of protons present in it which is written as…

Q: Isotopes are elements of the same type with different numbers of resulting in differing .

A: number of protons = atonic number  number of electrons = atomic number (for a neutral atom)  number…

Q: Distinguish between the atomic numberand the mass number of an atom.

A: in any atom atomic number is defined by number of proton in it . And mass number is defined as sum…

Q: How to determine the mass number of an atom given the atomic mass (amu)?

A: Mass number is the sum of total number of protons and neutrons in an atomic nucleus.

Q: What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

A: No of electrons = 48 No of neutrons = 46 No of protons = 52

Q: What is the difference between mass number and atomic number?

A: Atomic number:The atomic number of the element is the number of protons present in that element.Mass…

Q: What two particles are used to determine the mass number of an atom?

A: Given a three points  1-           proton 2-          neutron 2-          electron Determined the…

Q: What Are the number of protons and neutrons, and electrons in the following isotopes?

A:

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.