Give the name and formula of the compound formed from the following elements: (a) 37Q and 35R (b) 8Q and 13R (c) 20Q and 53R

Q: Give the name and formula of the compound formed from the following elements:(a) 12L and 9M      (b)…

A: a) The number 9 refers to the fluorine and the 12 refers to magnesium, and the compound formed is…

Q: Calculate the relative atomic mass (RAM) of an element, X, whose mass spectrometer's tracc shows…

A: Relative atomic mass is the average of masses of all isotopes of element considering their…

Q: a 500-mg antacid tablet has 105 mg calcium carbonate (MW = 84.3139 g/mol). What is the %(w/w) of…

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Q: Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 48.0% of the lighter…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

Q: In the molecule C6H12N6, how many C, H and N atoms are there?

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Q: Below are some of the interesting (and in some cases toxic) compounds that people will encounter in…

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Q: what makes thw difference between the isotopes of an element?

A: an elements having same atomic number but different masses are said to be isotopes

Q: 2.89 In which one of the following pairs do the two species resemble each other most closely in…

A: The answer is option (c), which are C612 and C613. It is because, the chemical properties are the…

Q: Give the name and formula of the compound formed from the following elements: (a) 12L and 9M (b) 30L…

A: The name and formula of the compound formed from the following elements: (a) 12L and 9M (b) 30L and…

Q: There are two naturally occurring isotopes of europium, 151Eu (151.0 amu) and 153EU (153.0 amu). If…

A: Given : There are 2 naturally occurring isotopes of europium. Mass of 151Eu = 151.0 amu Mass of…

Q: 4B.2 Name the following compounds. a) Br b) F Br e) f) an

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Q: 1 How does atomic theory account for the fact that when 1.000 g of water is decomposed into its…

A: Given, Mass of water = 1.00g Mass of H2 = 0.111 g Mass of O2 = 0.889 g The reaction for…

Q: In the structure given below, the total number of Hydrogen and carbon atoms are: O 5, 10 O 8,4 O 10,…

A: The given compound is : The number of carbon atoms and hydrogen atoms has to be determined.  For…

Q: The elements in Groups 1A(1) and 7A(17) are all quite reactive. What is a major difference between…

A: The elements in Groups 1A(1) and 7A(17) are all quite reactive. What is a major difference between…

Q: How many atoms of O are found in 1.00 x 10 2 g of K 2Cr 2O 7 ?

A: Number of atoms of Oxygen present in the given compound can be calculated as -

Q: The mass of a proton is 1.673 x 10-27 kg and the diameter of the nucleus of the H atom is 1.0 x 10°…

A: Given in the question, Mass of proton = 1.673 ×10-27kgDiameter of nucleus = 1.0 ×10-3 pm Radius of…

Q: If the reference for atomic masses of the elements were changed to 12C = 10.00 the relative atomic…

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Q: Isotope Abundance Mass 69.9242 amu 70 Ge 20.8% 71.9221 amu 72 Ge 27.5% 72.9235 amu 73 Ge 7.75%…

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Q: What do the peaks of the mass spec of C6H10 show?

A: The structure of the unknown molecules can be obtained by analyzing their spectroscopical results…

Q: What is the molecular weight of a sample of ferrous sulfide heptahydrate (FeS-7H20)? (Round all…

A: Molecular weight of a compound is the sum of its individual atoms' malar mass.

Q: What element is “X" give the chemical symbol? а.) X 1s°2s°2p® b.) X²+ 1s°2s°2p°3s°3p®

A: We have to identify  the  element 'X' for the  given two electronic configurations.

Q: A newly discovered element has the name Rougen, has the symbol Rg. Rougen can have the charges of…

A: The solution is as follows :

Q: 5. Predict the chemical formula for the ionic compound formed by the elements Ag and N. 6. Write the…

A: Answers are attached in the images below.

Q: The chemical formula for zinc nitrate is: Zn(NO3),

A: Given: Chemical Formula of Zinc Nitrate: Zn(NO3)2  To Calculate Molar Mass of Zinc Nitrate

Q: In the equation below X must be a X+ _ ZY→ _ XY + _Z, Anion O Cation O Noble Gas

A: Product is Z2 means two Z forms Z2 , so here Z is anion because no cation can form this.

Q: The element X forms the compound XOCl2 containing 59.6% Cl. What is element X?

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: C. What is the weight of ferrous sulfate FeSOa.7H: 0 should be taken to designate iron as ferric…

A: Recall the following reaction that will occur on heat of hydrated ferrous sulphate      FeSO4.7H2O…

Q: Give the name and formula of the compound formed from thefollowing elements:(a) ₃₇Q and ₃₅R(b) ₈Q…

A: (a) The atomic number of an element is written as a subscript on left side of symbol of the element…

Q: calculate the charge of each particle'' Pb(CrO4)2

A: Given Pb(CrO4)2 To find  The individual charges of each element in the given formula.

Q: Calculate the exact masses of the ions C5H8O1 and C6H12 1, both of which have a nominal mass of 84.…

A: The organic compounds can be identified by various characterisation techniques. For example, NMR,…

Q: Consider Cr-54, Fe-54, Fe-58 and Ni-58 , which of this are isobars and which are isotopes

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Q: why is that in Pb(CrO4)2, the charge of CrO4 is -2

A: The species lead Pb can have the potential to show +2 and +4 oxidation state because the outermost…

Q: The chemical analysis of a binary hydrate shows that it is composed of 27.76% Mn, 35.82% Cl and…

A: Given: Mass composition of Mn = 27.76 % Mass composition of Cl = 35.82 % Mass composition of H2O =…

Q: A group 8 element (MM) reacts with fluorine to give MF2. The same element reacts with oxygen to give…

A: Here it is group 8 element so it will be probably iron (Fe). Because FeF2 and Fe2O3 is probably the…

Q: 6. Verify the law of conservation of mass by using relative atomic masses for the following chemical…

A: Given reaction is : BaCl2 + H2SO4 ----------> BaSO4 + 2HCl  Verification of law of conservation…

Q: A 2.000 g sample of element M reacts with oxygen to form 2.539 g of the metallic oxide, MO2. What is…

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Q: Calculate the atomic mass of element "X" if it has two naturally occurring isotopes with the…

A: the atomic mass of element "X" if it has two naturally occurring isotopes is Calculate by according…

Q: Which of the highlighted elements in Figure P2.7 is (a) a reactive nonmetal, (b) a chemically inert…

A: Reactive metals exist in group 1 of the long form of periodic table. Group 1 is placed at the…

Q: The element Cellphonium (Ce) has an atomic number of 115. Its isotope 215Ce (Cellphonium - 215)…

A: Given, an element cellphonium has atomic number =115and its isotopes Ce215.we are asked to calculate…

Q: 2-75. A sample of rutile, an ore of titanium consist- ing principally of TiO,(s), was found to be…

A: The question is based on the concept of quantitative analysis. we have to calculate how much…

Q: Which pair of elements would you expect to exhibit the greatest similarity in their physical and…

A: The properties of elements are dependent over their electronic distribution. The similarity in the…

Q: An unknown metal forms a BCC structure with its side length of 2.884 Å. What is the atomic weight of…

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Q: The isotope of plutonium "Pu is used to make thermoelectric power sources for spacecraft. Suppose…

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Q: A sample of 0.262 mol of a metal M reacts completely with excess fluorine to form 20.5 g of MF2.…

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Q: 1. How does atomic theory account for the fact that when 1.000 g of water is decomposed into its…

A: The atomic theory was first proposed by John Dalton in the year 1803.

Q: How many atoms of each type are represented in 4M93(PO)2? *

A: The molecular formula of the given compound is Mg3(PO4)2 and the number of molecules is four.…

Q: Chemical formula of Mg2+ and PO43

A: Chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: 19 Which of the following statements is correct about one mole of ethane gas, C2H4 and one mole of…

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