There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of one of them is listed in the table below. Use whatever data you need from the ALEKS Periodic Table to determine the identity, mass and natural abundance of the other isotope, and complete the table. Round your entry for mass to 4 significant digits and your entry for natural abundance to 4 significant digits. mass natural isotope (amu) abundance Li ? 6.0151 7.59%

Q: Antimony (Sb) has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.21%…

A: Given: Isotope of Antimony (Sb)  % abundance  Sb-121.  57.21%.  Sb-123. 42.79%.

Q: Antimony has many uses, for example, in infrared devices and as part of an alloy in lead storage…

A: Isotopes are the chemical elements with same atomic number but different mass number. This implies…

Q: Antimony has 2 commonly occurring isotopes. 57.21% of Antimony atoms have 70 neutrons and 51…

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Q: Part C Rubidium has two naturally occurring isotopes: Rb-85 with mass 84.9118 amu and a natural…

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Q: Boron (BB)  has two naturally occurring isotopes: BB-10, which has a percent abundance of 19.88 %%…

A: The above mentioned question is explained below :

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Q: How many neutrons are present in 5.70g of cadmium-106 (isotopic mass = 105.91 amu)? Please enter…

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Q: What is the relative atomic mass of the element that consists of the following isotopes in the…

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Q: Use the References to access important values if needed for this question. The atomic weight of…

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Q: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

A: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

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Q: There are only two naturally occuring stable isotopes of chlonne, the masses of which are listed in…

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Q: If the cube with the same mass as part A is made of iron, determine the edge length of this cube (in…

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Q: [References] Americium-241 is an isotope of americium used in household smoke detectors. This…

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Q: Two isotopes of boron occur naturally, with B at 19.90 % (10.01 amu) and B at 80.10 % (11.01 amu). ▼…

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Q: Nitrogen has two isotopes, N-14 and N-15. The isotopic masses of these isotopes are 14.0031 amu and…

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Q: 1. What is the name of John Dalton's theory? 2. What are elements made of? 3. An atom of hydrogen…

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Q: 1. Element X has 3 isotopes with masses of 15.990 amu (abundance 99.0%), 14.00 amu (abundance…

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Q: Rubidium has two naturally occurring isotopes, from the following data calculate the value of X?…

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Q: Rubidium has two naturally occurring isotopes, Rb-85 (mass 84.912 amu) and Rb-87 (mass 86.909 amu).…

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Q: An element exist as 3 isotopes in nature. The isotopic masses (in amu) and percent abundance’s are…

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Q: Naturally occurring magnesium has an atomic mass of 24.312 and consists of three isotopes. The major…

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Q: To the right is a representation of 50 atoms of a fictitious element called westmontium (Wt). The…

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Q: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

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Q: A hypothetical element exists as two isotopes: I = 85.50 amu and II = 88.70 amu. If the percent…

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Q: Iculate the atomic weight of Magnesium given the mass and natural occurrence of each tope. Express…

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Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

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Q: Q. An element has three naturally occurring isotopes with the following masses and abundances:…

A: The isotope of an element is the substance with the same number of protons with a different number…

Q: 19) The fact that water is 11.2 % hydroen and 88.8 % oxygen by mass regardless of its origin is an…

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Q: Scientists in Huntsville just discovered a new element in Charger Village that they have called…

A: Isotopes are defined as each  two or more atoms of  similar element contain equal numbers of protons…

Q: Isotope Relative Isotope Mass Abundance 18HO 17.990 amu 78.920%, 20HO ? ?

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Q: There are only two naturally-occuring stable isotopes of lithium, the masses of which are listed in…

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Q: 19. The graph above shows elements present in the greatest amounts in the human body. Use…

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Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

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Q: Calculate the total mass of the protons and electrons in fluorine-19. Use 1.007825 amu as the mass…

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Q: There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of…

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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.