A sample of TNT, C7H5N3O6 , has 7.97 x 1021 nitrogen atoms. How many hydrogen atoms are there in this sample of TNT? 7.97 x 1021 10.63 x 1021 1.33 x 1022 1.59 x 1022 1.86 x 1022

Q: Almost all boron atoms are found in two forms: boron-10 and boron-11. Both isotopes behave alike…

A: Given, Boron atoms are found in two forms: boron-10 and boron-11 Average mass of B = 10.81 amu

Q: Relative number of atoms The stable isotopes of iron are 54F., 56FE, 57Fe, and 58F.. The mass…

A:

Q: Magnesium (average atomic mass = 24. 305 amu) consists of three isotopes with masses 23.9850 amu,…

A: Given: average atomic mass = 24. 305 amu three isotopes with masses 23.9850 amu, 24.9858 amu, and…

Q: Carbon tetrachloride has a chlorine-to-carbon mass ratio of 11.8:1 If a sample of carbon…

A: CCl4 is carbon tetrachloride. Mass ratio of Cl:C is 11.8:1  It means 11.8 g Cl per 1 g C

Q: The atomic masses of 6 Li and 7 Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the…

A: The isotopes of Lithium are Li6  and  Li7 whose atomic masses are 6.0151 amu and 7.0160 amu…

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

Q: The element antimony exists in nature as two isotopes: 121Sb has a mass of 120.9038 u and 123Sb has…

A: The average atomic mass of Sb = 121.76 u.Mass of 121Sb = 120.9038 u.Mass of 123Sb = 122.9042 u.Let…

Q: Lithium forms compounds which are used in dry cells and storage batteries and in high-temperature…

A: The variants of any element containing dissimilar neutrons number but similar protons number (atomic…

Q: Silicon has three stable isc mu). The ratio of the abund maturally occurring sample- erage atomic…

A: The objective of the question is to determine the average atomic mass that emerges when all the…

Q: The atomic masses of 6Li and 7Li are 6.0151 amu and  7.0160 amu, respectively. Calculate the natural…

A: Given data contains, Atomic mass of 6Li is 6.0151 amu. Atomic mass of 7Li is 7.0160 amu. Average…

Q: The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the…

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Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: Magnesium (average atomic mass = 24.305 amu) consists of three isotopes with masses 23.9850 amu,…

A: This question is answered by using the simple concept of calculation abundance of the isotopes using…

Q: The element X has two naturally occurring isotopes. The masses (amu) and % abundances of the…

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Q: The atomic masses of 10B and 11B are 10.0129 amu and 11.0093 amu, respectively. Calculate the…

A: The atomic masses of B10 and B11 are 10.0129 and 11.0093 respectivelyLet their natural abundances be…

Q: What is the mass in grams of 1.37 x 10^24 atoms of nickel? ______ grams How many nickel atoms are…

A: Calculate mass and number of atoms of Nickel in the given data in the question---  Value--  Avogadro…

Q: For which element does a sample of 1.5055 × 1024 atoms have a total mass of 70.215 g? P, Si, S

A: Number of atoms = 1.5055 × 1024 atomsmass = 70.215 gIdentify the element present in the sample,• P•…

Q: A generic element, G, is composed of two isotopes, ¹32G and 128G. 132G has a natural abundance of…

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Q: A certain element has a density of 7.19 g cm3 . A cube of this element with a side of 2.00 cm…

A: Given,Density of unknown element = 7.19cm3Cubic side of the element = 2.00cmNumber of atoms = 6.66 ×…

Q: 1) What is the mass in grams of 6.86x10^23 atoms of manganese? 2)How many manganese atoms are there…

A: 1)  Number of moles of manganese = number of atoms (given) / number of atoms in 1 mole number of…

Q: The atomic mass of titanium (Z = 22) is 47.87 amu. How many atoms are present in 45.5 g of titanium?…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: What is the mass in grams of 1.75 x 10^24 atoms of silicon? grams How many silicon atoms are there…

A: a) To determine the mass in grams of silicon which is present in 1.75×1024 As 6.022 ×1023 atoms are…

Q: The stable isotopes of iron are $4Fe, Fe, $7Fe, and 5"Fe. The mass spectrum of iron looks like the…

A: The given mass spectra of iron is, The relative number of isotope atoms of 54Fe is 5.85. The…

Q: Lithium forms compounds which are used in dry cells, storage batteries, and in high-temperature…

A: Given : Atomic mass of Li = 6.9412 amu Isotopic mass of 6Li isotope = 6.015123 amu  And Isotopic…

Q: A cylindrical piece of pure titanium (Ti, density=4.506 g/cm^3) has diameter d=1.15 cm and length…

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Q: Abundance = 74.200%, Mass(u) = 45.95263 Abundance = 14.500%, Mass = 47.94795 Abundance =…

A: The atoms of same elements having identical atomic number but have different masses are termed as…

Q: Antimony has two naturally occurring isotopes: 121Sb (isotopic mass 120.904 amu) and 123Sb (isotopic…

A: If A1 and A2 atomic masses of two isotopes of an element with X1 and X2 as their percentage…

Q: A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

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Q: Calculate the number of protons, neutrons, and electrons in 15 g of Si-28. The isotope Si-28 has a…

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

Q: A pure copper sphere has a radius of 0.935 in. How many copper atoms does it contain? The volume of…

A: First convert the given radius in inch to cm. 1 inch = 2.54 cm, then Next determine the volume of…

Q: The average mass of one atom of carbon is 2.00 x 10 –23 g. How many carbon atoms are present in a…

A: Given:Mass of one atom of carbon = 2.00 x 10 –23 g.Total mass of sample of carbon = 40.0 g.

Q: An element X has two common isotopes: X-57 and X-59. If the average atomic mass of element X is…

A: An element has two isotopes : X-57 and X-59 Average Atomic mass = 58.876 amu

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.