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

Q: What is distinctive about isotopes of elements, and why are they important?

A: The atomic number of an element is expressed as the number of protons and it is equal to the number…

Q: What is the difference between the mass number and the average atomic mass? Which one is on the…

A: we need to compare the mass number and the average atomic mass and tell which one of them is…

Q: what's the atomic mass units for 1 bratom with a mass of 1.31 x 10^ - 23

A: To find atomic mass unit  of 1 Br atom if mass of atom = 1.31 x 10-23 g

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: explain the difference between mass number and average atomic mass

A: Please see below explanation.

Q: What is an atomic mass unit? Why is it necessary to introduce such a unit?

A: Matters are the substances that possess some mass and volume. These are formed by joining very small…

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

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

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: Fill in the blanks. Isotope 76AS3- has: Number of protons Number of neutrons Number of electrons…

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Q: What does the nucleus of an atom consists of?

A: In an atom, three fundamental particles are present, proton, electron, and neutron.

Q: Which atom has the largest number of neutron

A: Since no options are provided, it is assumed that the largest number of neutrons in an atom in the…

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: atomic number 119 and mass number of 252  where would this element be placed? What period would it…

A: Ununennium   Ununennium, also known as eka-francium or element 119, is the hypothetical…

Q: What is atomic mass? How is it calculated?

A: Atoms are the smallest constituents of a chemical compound and the atoms do not have independent…

Q: what are radioactive elements? Give examples

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

Q: 24.1% of all isotopes of an element have a mass of 75.23 amu. 48.7% have a mass of 74.61 amu and…

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Q: Antimony Sb has two stable isotopes 121 Sb (at mass 120.904 amu) with a natural abundance of 57.36 %…

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Q: How do the mass number and the average atomic mass differ for a particular element?

A: There is difference between mass number and average atomic mass.

Q: What are the different mass numbers of Isotopes ?

A: Different mass numbers of Isotopes are explained below,

Q: A certain element consists of two stable isotopes. The first has a mass of 138 amu and a percent…

A: Given  Atomic mass of first isotope ( M1 )       = 138 amu  percentage natural abundance ( P1)     =…

Q: How do the terms atomic mass and atomic weight differ?

A: Atomic mass and atomic weight, both the terms are used for measurement of its quantity.

Q: Lithium has two isotopes lithium-7 and lithium-6.its relative atomic mass is 6.9.

A:

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…