Which atoms have the same mass number? Explain the answer.

Q: How do you calculate the atomic mass of a specific isotope of an element?

A:

Q: Define the term atomic nucleus?

A: Atoms are the building blocks of any matter. The composition of the atomic nucleus gives information…

Q: Uranium  Atomic mass,Group and Perioid

A: Uranium has symbol U.

Q: Explain and identify atomic number, and atomic mass

A: Atomic number-> ->Atomic number is the number of protons present in an atom. ->It can not…

Q: What is the atomic mass unit?

A: Solution- The atomic mass), we can also defined this as mass of the single atom .

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: what do you think the atomic number represents?

A: The atom consists of three sub-atomic particles namely electron, proton and neutron. The electron…

Q: How the number of electrons “owned” by an atom is determined ?

A: The number of electrons owned by an atom is determined by calculating the number of bonds and number…

Q: Explain the Nuclear Model of the Atom?

A: Rutherford's atomic model is also known as the nuclear model of an atom.

Q: 24. What is the mass number of an isotope?

A: The chemical element consisting of the same number of electrons and protons in an atom but a…

Q: Use the atom builder interactive to determine whether each nucleus is stable or unstable.

A: For a stable nucleus the ration of numbers of neutrons and number of protons must be 1:1 for…

Q: Changing the number of electrons in an atom changes the atom’s..

A: Atomic Charge

Q: What is the atomic mass of silver

A: Silver is a chemical compound with the formula Ag (from Latin argentum, and atomic number 47). It is…

Q: Calculate the atomic mass for an element given the mass and abundance of the naturally occurring…

A: Atomic mass: It is equal to sum of all proton and neutron. It is the mass of compound present in one…

Q: List the components of an atom

A: An atom is the smallest particle of matter that participates in a chemical reaction other than…

Q: define atomic mass and atomic number?

A: Atomic mass is the quantity of matter contained in an atom of an element. It is expressed as a…

Q: What three things does the atomic mass (average atomic mass) depend on?

A: If you carry a watermelon in a plastic polybag, then in order to calculate the total mass, mass of a…

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: An atom of an element contains 66 electrons. Which element is it?

A: The periodic table is the arrangement of elements in the order of increasing atomic number. The…

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: What is the charge of the nucleus of element 89?

A: The number of protons corresponds to the charge of the nucleus since Neutrons have no net charge, it…

Q: 4. What is the atomic number? (a) 14 (b) 7 (c) 4 (d) 10

A: The atomic number indicates the number of protons in the nucleus. The number of protons define the…

Q: What did Ernest Rutherford discover about the structure of an atom ?

A: Rutherford carried out alpha-particles scattering experiment by the bombardment of high speed…

Q: What is a stable isotope of lithium? How many electrons does it have?

A:

Q: What kinds of atoms exist?

A: Atom is the most fundamental part of an element. According to Dalton's theory atoms are indivisible…

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

A: The atomic number corresponds to the number of protons present in an atom. It is represented by Z.…

Q: what are radioactive elements? Give examples

A: Radioactive elements:When an element is subjected to spontaneous degeneration of its nucleus…

Q: What is the mass of an assembly of 1000 electrons?

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: What is atom

A: The atom is the smallest unit of matter that is composed of three sub-atomic particles: the proton,…

Q: Why is the number of electrons not part of the mass number of an atom?

A: The reason for the number of electrons not part of the mass number of an atom  has to be given.

Q: Explain why the atomic mass of an element is an average mass

A:

Q: Define radioactive isotope

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

Q: What is the atomic number and average atomic mass of tin

A: Atomic number of tin or Sn, as it is represented in chemistry, is 50.

Q: Determine the number of neutrons in each of the following atoms given the mass number and atomic…

A: For an atom, neutrons and protons decides its mass. Thus,  Mass number = Number of (neutrons +…

Q: what is the mass of an electron?

A: Electron, lightest stable elementary particle known.

Q: what are the Similarities of atomic mass and atomic numbers?

A: Atomic mass is associated with the number of neutrons and protons that are present in a particular…

Q: Determine the atomic number of an atom tha

A: According to the question, we have an element having 56 electrons and 82 neutrons.  We need to…

Q: The mass number of the atom shown in the figure is

A:

Q: Atomic number

A: The atomic number is generally use to uniquely identifies a chemical element.

Q: element 'X' is

A:

Q: Name and describe the components of an atom

A: Atom is the basic unit of matter All the matter in this universe is made of atoms.

Q: How is atomic mass calculated for elements?

A: The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of…

Q: What are the main components of an atom ?

A: The main components of an atoms has to be given.

Q: What is the atomic number of CI atom

A: Periodic table is the arrangement of atoms in groups and periods according to their increasing…

Q: atoms which has the largest mass?

A: Till now periodic table contains 118 elements

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.