10 3- mass #: # protons: # electrons: 56 Fe 26 element: # protons: # electrons: # neutrons:

Q: Thorium*2 Zinc - 67 Chemical Symbol Atomic Number, Z Mass Number, A 30 232 # of protons # of…

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Q: How many protons, neutrons, and electrons are there in a neutral atom of 199F? #neutrons # electrons…

A: Given symbol of the atom = 919FNumber of protons = ?Number of neutrons = ?Number of electrons = ?

Q: Complete the following table: 46V Symbol Protons 15 Neutrons 15 68 52 Electrons Please enter the…

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Q: 23 Na 1+ 20Ca 2+ 65 304 element: element: element: atomic #: atomic #: # protons: mass #: #…

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Q: As we saw in the previous problem, lithium has two naturally occurring isotopes: Li-6 (natural…

A: The mass which is closest to the atomic mass of Li has to be given.

Q: In a sample of gallium there is 60.2% of gallium-69 (68.9 amu) atoms and 39.8% of gallium-71 (70.9…

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

A: The average atomic mass of an element is equal to the sum of product of the masses of the isotope…

Q: Complete the following table describing the properties of four important elements found in living…

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Q: How many protons, neutrons and electrons are there in a neutral atom of the isotope of chlorine…

A: Calculation of protons, neutrons and electrons present in neutral atom: The given compound is…

Q: Isotopes of the same element have different mass numbers? true or false

A: isotope are  two or more species of element  with the same atomic number and position in the…

Q: 34. How many protons, electrons and net does Be have? beryllum 4 Ве 9.0122

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Q: 25 30

A: Number of protons(P) = 25  Number of Neutron(n)  = 30 Number of electrons = 25 As we know, nucleus…

Q: 17. Place the labels chemical symbols, atomic number, and mass number in the shorthand notation…

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

Q: On planet X431A, the isotopes of carbon, C , have the following natural abundances: Abundance (%)…

A: #Q.1: Data given for planet X431A Given the atomic mass of 1st isotope, M1 = 12.000 amu Fractional…

Q: An unknown element X has the following isotopes: ⁵²X (90.00% abundant), ⁴⁹X (8.00% abundant), ⁵⁰X…

A: The approximate atomic mass of element x is calculated as,

Q: Could you please fill in the chart?

A: For a neutral atom, number of protons = number of electrons =  atomic number (Z) mass number(A) =…

Q: Symbol 35 Cl Protons 26 50 Neutrons 30 66 Electrons 49 86 Mass no. 222 119

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Q: 11) Bromine has two naturally-occurring isotopes. 79Br has a mass of 78.9 amu and accounts for 50.3%…

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Q: Complete the chart below. Some numbers may be used i Element Symbol Atomic Iron #7 Xe 10 :: Ne :: Fe…

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Q: An element with 11 neutrons, 11 protons, and 11 electrons would have a mass number of _____?

A: The total number of neutrons and protons present in a nucleus is known as mass number.

Q: Isotope Mass Number Protons Neutrons Electrons 35 Cl 37 Cl

A: For a given isotope notation, we can determine the mass number , protons , neutron and electrons.…

Q: Provide the correct atomic symbol meeting the following conditions. 1. number of proton = 12 2.…

A: Provide the correct Atomic symbol ---

Q: 2. For the following atoms, give the number of protons, neutrons, and electrons: 114 Cd 48 protons:…

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Q: An atom containing 19 protons, 20 neutrons, and 19 electrons has a mass number of?

A: Given, Number of protons = 19 Number of electrons = 19 Number of neutrons = 20

Q: Mass symbol # protons # neutrons # electrons name number 7 10 14 Zn2+ magnesium-26 12

A: The correct answer is given below

Q: Neon has three different isotopes.  90.51% of neon atoms have a mass of 19.992 amu.  0.27% of neon…

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Q: What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass =…

A: We have to calculate the average atomic weight of the given element using the mass and abundance of…

Q: An unknown element X has the following isotopes: 52X (87.00% abundant), 4⁹X (8.00% abundant), 50X…

A: The average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by…

Q: The element rubidium has two naturally occurring isotopes. The atomic mass of 85 Rb (72.17 percent…

A: Given : There are two naturally occurring isotopes of element rubidium. Abundance of isotope 1 i.e…

Q: The nucleus of an atom accounts for most of the size and mass of the atom. O very little of the size…

A: According to Dalton's atomic theory, compound is formed by combining elements and it's also based on…

Q: i have 16 protons  16 neutrons and 18 electons  what would a sketch look like?

A: Since number of protons = atomic number in case of ions Hence the atomic number of the above atom is…

Q: The total mass of 12 protons, 27 neutrons, and 24 electrons

A: Given that, no. of proton = 12 no. of neutron = 27 no. of electron = 24

Q: Use the images and symbols to determine the atomic number and mass number for each of these…

A: The given problems are based on the general properties of the elements.

Q: How many protons and neutrons are in an atom of Th-229 ? Number of protons= ________ Number 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.