The element lithium has two naturally occurring isotopes.One of these has a mass of 6.0151 amu and a natural abundance of 7.49%. A second isotope has a mass of 7.0160 amuand a natural abundance of 92.51%. Calculate the atomicmass of lithium.

Q: 7. Identify for an atom of °Be: element name: Z, atomic number = A, mass number number of neutrons =…

A: Solving only first question in accordance with the guidelines.

Q: The element copper has two naturally occurring isotopes.One of these has a mass of 62.93 amu and a…

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A: The mass of phosphorus-31 from the periodic table.

Q: Write isotopic symbols in the form zXA for each isotope. the argon isotope with 22 neutrons

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Q: 34. The nucleus of an atom contains 56 neutrons. The atom contains 43 electrons. What element is it…

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Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A: Atomic weight of element Li = 6.941 amu Mass of 6Li = 6.0151223 amu Mass of 7Li = 7.0160040 amu

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Q: Gallium (Ga) consists of two naturally occurring isotopeswith masses of 68.926 and 70.925 amu. (a)…

A: (a) The atomic number of gallium is 31. Thus, all isotopes of this element (gallium-69 and…

Q: Write isotopic symbols in the form zXA for each isotope. the copper isotope with 36 neutrons

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Q: 60% of the isotopes of bromine have an atomic mass of 79 amu while 40% of the isotopes of bromine…

A: Given Percentage abundance of bromine isotope

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: Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the…

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Q: If an atom were 4.5 football fields long, the nucleus would be the size of   a. a grape seed.   b.…

A: Given: Atom is 4.5 football field long To determine: Size of nucleus

Q: Isotope a mass amu nd Li with a mass of 7.0160040 amu. What are the percent isotopic abundances of…

A: Let there is x percent abundance of 6 Li and 100-x percent abundance of 7 Li

Q: The average atomic mass of lithium is 6.941 amu. Lithium has two naturally occurring isotopes, 6Li…

A: Given:The average atomic mass of lithium = 6.941 amu% of Li isotopes = 6Li (7.52%) and 7Li…

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A: Atomic number of the elements indicates the number of protons present in the particular atom.  Mass…

Q: The mass and charge (composition) of the B- particle indicate that it is identical to an electron. *…

A: We have to tell whether the given statement is true or false

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: atomic mass of this factious element.

A: Atomic mass of of one isotope(M1) =56.44 % Abundance (X1) = 42.5 % Atomic mass of 2nd isotope(M2) =…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

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Q: 1.) Selenium-80 is a naturally occurring isotope used in overthe-counter supplements. a. How many…

A: 1. Selenium-80 is a naturally occurring isotope .We have calculate - a. The number of protons are…

Q: An element 'A' contains 15 protons, 15 electrons and 16 neutrons. it is |. It becomes when it has 15…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: A carbon-12 atom has a mass of 12.00000 amu. The mass of a proton is 1.00728 amu, and the mass of a…

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Q: A sample of the nonexistent element mythium consists of 25.59% of an isotope with mass number 580,…

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Q: 256 116 But- The isotope above has type your answer. protons, type your answer. neutrons and type…

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Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: Which of the following describes an atom that is not an isotope of the other two? And why a)14p,…

A: Which of the following describes an atom that is not an isotope of the other two?

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is + . It becomes when it has 4…

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: We would use formula to calculate average atomic weight to calculate the abundance , formual is…

Q: If the heaviest isotope (A) is more abundant and the other isotopes (B & C) were less abundant,…

A: The periodic table's atomic mass is the average weight of all its isotopes. Average atomic mass of…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, 6Li…

A:

Q: 3. In discussing individual atoms öf å spe isotopes have in common, which subatomic particle…

A: 3. Isotopes have same atomic numbers but different mass numbers.  Atomic number  is determined by…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A: Average atomic mass = 6.941amu  6Li has mass of 6.0151223 amu 7Li has a mass of 7.0160040 amu

Q: a sample of the element boron with have some atoms with six neutrons and some atoms with 5 neutrons;…

A: Given is a sample of biton atoms, of which some contain 5 neutrons and some contain 6 neutron. We…

Q: Copper has two stable isotopes with the following atomic masses: copper-63 (atomic mass = 62.9296…

A: Given: average atomic mass of copper = 63.546 amu atomic mass of copper-63 = 62.9296 amu atomic mass…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A:

Q: Describe the basics of atomic structure, including ions and isotopes; and then how each of these…

A: Atomic structure refers to the structure of an atom comprising a nucleus (centre) in which the…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, ©Li…

A:

Q: afe onelement consistedof 2130topes with masses of 89.9 omu ond alolamu If los00 X 10-3 moles of…

A: From given we are going to calculate average atomic mass of an element

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent…

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Q: Write isotopic symbols in the form zXA for each isotope. the potassium isotope with 21 neutrons

A: The explanation and answer is as given below:

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is It becomes • when it has 4…

A: The question is based on the concept of atomic structure. by looking at proton,  neutron &…

Q: 7. All isotopes of an element have the same numbers of

A: Two or more atoms or elements are called isotopes when they have same number of protons (or have…

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is •. It becomes • when it has 4…

A:

Q: A hypothetical element has two stable isotopes: one isotope has a mass of 106.9051 amu with an…

A: We have to calculate the average atomic mass of element.

Q: Write the symbolic notation of an isotope of an element having 8 protons, 8 electrons, and 9…

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Q: An isotope of Uranium has an atomic mass of 240. How many neutrons does this isotope have

A: mass number is the sum of number of protons and number of neutrons.

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.