3. Write the symbol and English name of your favorite element with 44 p+.

Q: 4) Use the mass spectrum below to fill out the information in the table about each isotope. 0.56…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: What is the mass of 4.50 x 10- Cu atoms? Multiple Choice 7.47 x 10 amu 7.47 x 10 g 4.75 g 63.55 amu

A: Calculation of mass of cu atom:

Q: Determine the atomic mass (in g/mol) of an isotope using the following info: mass of an isotope…

A: Answer: First of all we will find out the number of moles in 2.97×1022 atoms. After that, by using…

Q: What is the number of atoms of each element for 3 Li₂SO₄?

A:

Q: :0: What does the diagram represent? A) A neutral oxygen atom B) An oxygen atom with 7 protons C) An…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Find the mass of each element in 82.8 g of Jadeite (AlNaO6Si2). Hint: Al=Aluminum

A: The mass of each element can be determined by the number of moles of compound. The number of moles…

Q: An element has the following abundances and isotopic masses: 90% abundance with 20 amu, 7% abundance…

A: Average Atomic mass = (Isotopic mass×% abundance)1 +(Isotopic mass×% abundance)2 + (Isotopic mass×%…

Q: Atomic #-3 Symbol and Le structure Atomic Mass #= # of p+ = # of n= # of e-D

A: Atoms  important parameters are  atomic number  and mass number A Atomic number : Number of…

Q: A compound is composed of phosphorus and hydrogen. The mass ratio is 10.2 g of phosphorus to 1.00 g…

A:

Q: Using triangles to represent one type of atom and circles to represent another type of atom, draw…

A: Given: Using triangles to represent one type of atom and circles to represent another type of atom,…

Q: 80. Determine whether each statement is true or false. If false, correct it. (a) The Fe2+ ion…

A: The charge within an atom or molecule has always been determined by the number of protons and…

Q: How many of EACH element are there in this chemical formula? 2CH,OH C: H:

A:

Q: 9. There are 1.5 x 1023 atoms in 2.5 moles of zinc. TRUE FALSE Chock it skip

A: Number of atoms in 1 mole = 6.02 x 1023

Q: Atomic Weights of the following elements: N = 14 amu Na = 23 amu C = 12 amu H = 1 amu O = 16 amu 1.…

A: Since you have posted multiple questions, we'll answer the first one. If you want any other…

Q: Boron consists of two isotopes. The reported mass of boron is the weighted average of these two…

A: Boron has two isotopes which are B-10 and B-11. It is given that the abundance of B-11 is x and for…

Q: How many hydrogen atoms are there in 8.75 g of C,H,NO,? Select one: a. 23 4.79x 10 b. 3.22x 1023 с.…

A: Given: Mass of C2H7NO2 = 8.75 g Molar mass of C2H7NO2 = 77.08 g/mol

Q: What is the mass of 1 mole of calcium atoms? (the values may be rounded differently than your…

A: 1 mole of calcium atom means 1 atom of calcium.

Q: 30 - The formula of the compound of a salt is XCl2. Since the X ion in this compound has 28…

A: Formula of the compound of a salt is given XCl2. If it converted into ions than it form cation and…

Q: 2.104 Name the following ions: (a) Ba2+ (c) V3+ (f) Ni2+ (i) Mn2+ (b) Cs* (d) HCO3 (e) NH4 (h) CIO2…

A: Here is the name of all the ions you asked for: Ba2+ --- > Barium ion     Cs+ --- > Cesium ion…

Q: use circles to indicate the four different groups for carbon Ca and squares to indicate the four…

A: Solution -

Q: How many protons are in 60Co2+ ?

A: Given  Symbol of element =  60Co2+ Number of proton  = ?

Q: Calculate the average atomic mass for the hypothetical element X if X has 2 naturally occurring…

A: When an element is present in more than one isotopic form. Then we need to calculate average atomic…

Q: Complete the following table. Put the full symbol, e.g. 37^Cl- symbol 605^W^8+ 37^Cl-   protons…

A: To complete the table, symbol 605W8+ 37Cl-   protons     5 neutrons     5 electrons      5…

Q: Which of the following compounds would contain 12 atoms of oxygen? Co(NO3)2 O Alz(HPO4)3 O NazCr207…

A:

Q: (3b-201) Balance the equation below, which uses imaginary elements (they still follow the usual…

A: The given reaction is : MTy3 + Gr2WaX4 → GrTy + M2(WaX4)3

Q: 6. Subatomic Particles. Fill in the blanks in the following (table 1). Show your solution 54.24…

A: Fill the table by using suitable number and symbol---

Q: 11. How many oxygen atoms are there in one formula unit of Ca2*?

A: 1. Formula unit is used to indicate lowest reduced ratio of ions in the compound  2. Molarity :…

Q: 1. Mg is a/an a. anion b. halogen C. cation d. cube e. transition metal

A: According  to our guidelines , we w9ill solve only one question if multiple question posted. please…

Q: 1. Nu OH RAH 2H*, H,0´ RH 2. H*, H,0 RT Nu Nu 00 → R^H Nu

A: This is the nucleophilic addition reaction of aldehyde

Q: A) The atomic structure of an element is provided in the figure1.…

A: The atomic structure of the element is shown below. In the above atomic, the element has two…

Q: How many of EACH element are there in this chemical formula? 2H,SO, H: S: O:

A: In the given, the following formula is provided: 2 H2SO4 The Coefficients inform us about the…

Q: By using the atomic mass unit u= 1.6 x1024 gram, Avogadro's number will be equal to a) 6.02 x1022 b)…

A: The atomic mass unit is the unit of mass usually denoted by (amu). It is the parameter to express…

Q: How many protons are in 2.08 x 10-21 g of F?

A: Atomic weight of F = 19 Given is Mass of F= 2.08 x 10-21 g Number of moles= given mass/ molar mass…

Q: 320 g of a certain chemical element contains 4.82 x 1024 atoms. Find the name of the element. MAr…

A: Given 320 g of a certain chemical element contains 4.82 x 1024 atoms

Q: A sample of Ni weighs 73.6 grams. Will a sample of Ag that contains the same number of atoms weigh…

A:

Q: Li protons protons %3D electrons electrons %3D neutrons neutrons %3D Ag N protons protons

A: Cr = 24 protons, 24 electrons , 28 neutrons Li+ =3 protons , 2 electorns , 4 neutrons Ag =  47 , 47…

Q: A compound is 24.7% calcium 1.2% hydrogen 14.7 carbon and 59.3% oxygen. Determine the chemical…

A:

Q: Q11/ Calculate he equivalent weight of K2SO4, if you know the atomic weight of K=39, S=32, O=16.

A: Potassium sulphate = K2SO4 --> 2K+ + SO42- molecular weight = 174 (2x39 + 32 + 4x16)

Q: 2- Calculate natural abundances of Li and Li knowing that the atomic mass of the Li is 6.0151 amu…

A: Given: Atomic mass of Li36 = 6.0151 amu Atomic mass of Li37 = 7.0160 amu Average atomic mass of Li =…

Q: Determine the mass of 5.0x10^23 tungsten (w) atoms

A: One mole of any substance will have 6.023× 1023 . Therefore number of moles in 5.0× 1023 atoms,…

Q: How many electrons can have n = 50, l = 2. [Write your answer as a number.

A:

Q: 2. What mass of methane (CH4(9) O2(9) → CO2(9) + H20(9) AH°rxn = -890 %3D

A: The given reaction is, CH4(g) + O2(g) ---> CO2(g) + H2O(g)  .......∆H = -890 kJ   From this, we…

Q: 15. A sample of 1 mole of which of the following contains the greatest number of oxygen atoms? e.…

A: Oxygen atoms:

Q: 31. How many atoms of hydrogen are in ONE molecule of (NH4)2S04? А. 4 В. С. 6. D. 1 Е. 8

A: The given compound is ammonium sulphate. (NH4)2SO4

Q: 4. Estimate the mass in whole numbers, of each iso tope. 1 a) Phosphorus - 31 6) carbon - 14 c)…

A: It is asked to estimate th,e mass of the following isotopes. P31,C14,Am241 Atomic mass of bromine…

Q: Calculate the mass of dinitrogen tetroxide N2O4 that contains a million ×1.000106 oxygen atoms.

A:

Q: symbol element capital atom lowercase two solid a) All mater is made up of tiny particles called an…

A: Given : We have to fill the blanks asked in the question.

Q: The total number of atoms is Pb(NO3)2

A: given, Pb(NO3)2   there are three different atoms in this compound Pb, Nitrogen & Oxygen

Q: Antimony has 2 stable isotopes 121-Sb mass 120.9038 and 123-Sb mass 122.9042 amu. Calculate the…

A: The Atomic mass of Antimony is 121.76 amu