Calculate the mass and charge of 1. nucleus of atomic N 2. singly ionized Na2+

Q: Element X reacts with chlorine to form a compound with the formula of X2Cl3. This compound contains…

A: Relative atomic mass: Cl = 35.5 g/mol

Q: Calculate the mass, in grams, of each sample.a. 1.1 * 1023 gold atomsb. 2.82 * 1022 helium atomsc.…

A: Given data: Avogadro's number NA, 6.023×1023atoms Convert first the number of atoms to moles using…

Q: 3. How many protons (P), neutrons (N) and electrons (e) are present in Os² that has mass number 190…

A: Given that  Atomic no of element = 79

Q: Calculate the average atomic mass for gallium if 60.00% of its atoms have a mass of 68,926 amu and…

A:

Q: Calculate the mass, in grams, of each sample. a. 1.1 x 10 gold atoms b. 2.82 x 102 helium atoms c.…

A: Calculate the mass in grams of each sample  (a) 1.1 x 1023 gold atoms (b) 2.82 x 1023  helium atoms…

Q: Calcium phosphide consists of two ions chemically bonded together. What are the charges of each ion?…

A: To write the chemical formula of compoundwhich follow the following rule:-(i) write the symbols of…

Q: the number of copper atoms in 3.0 g lump of copper is 2.8 x 1022. how many electrons are present in…

A: Given: Number of copper atoms in 3.0 g lump of copper is 2.8 x 1022.

Q: Determine the charge of each ion.(a) oxygen ion with 10 electrons(b) aluminum ion with 10…

A: ANSWER

Q: Give the complete symbol (X), including atomic number and mass number, of a. a zinc atom with 36…

A: The general method to write the symbol of an element is given as shown below. XZA Here, A is the…

Q: Which pair of particles has the same number of electrons? Al3+, p3- O o2-, Na* ON3-, p3- Br, Se

A: Atomic number of Element is equal to Number of electrons in that particular element.

Q: 5. Calculate the average atomic mass of Nitrogen (verify in the periodic table) 14N 14.003 u 99.6%…

A: Given,  14N      14.003 u         99.6% 15N      15.000 u          0.4%

Q: If the density of lead is 11.34 g / a.m., how many atoms are there in a piece of lead 2.5 cm wide,…

A: To calculate the number of atoms in the sample, we must have the number of moles of the substance.…

Q: A hypothetical element, E, has two stable isotopes: E-46-46.046 u 64.08% E-51 = 50.826 u %3D 35-92%…

A: m1 = 46.046 , f1 = 64.08100 = 0.6408 m2 = 50.826 , f2 = 35.92100 = 0.3592 m1 and m2 are the mass if…

Q: An element X has the following masses and % abundance. 35X  (34.97 amu 75.8%) and 37X ( 36.99amu…

A: Answer :- amu (atomic mass unit) - It is the unit to express the atomic mass.  % abundance - It is…

Q: Calculate the mass of 5.70×10225.70×1022 tungsten atoms.

A:

Q: (c) 35 (d) 13 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would…

A: given, atomic weight of O is assumed to be 1

Q: estion 19 A 20.0 g sample of an element contains 4.95 x 1023 atoms. Identify the element. O Mg O Fe…

A:

Q: When radium becomes an ion, what is its charge? O There is not enough information to answer this…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. Determine the number of electrons necessary to equal a mass of 1.15 x 10 grams.

A:

Q: calculate the charge of each particle Pb3(PO4)4

A:

Q: 27. How many electrons does 207Pb+2 have? a. 80 b. 82 С. 84 d. 125 28. How many electrons does Ga+3…

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

Q: . Explain the role of relative weight in determining the atomic mass of an element. 2.…

A: 1. The relative weight term is used to the calculate the atomic weight of an element as the weight…

Q: 90) Calculate the mass, in kg, of each sample a) 7.55x1026 cadmium atoms b) 8.15x1027 nickel atoms…

A: Mass of substance is quantity of matter present in substance. Kilogram is unit of mass and denoted…

Q: If a single gold atom has a diameter of 2.9×10−8 cm, how many atoms thick was Rutherford's foil? The…

A: Rutherford’s experiment led to the discovery of a positively charged nucleus with the help of a gold…

Q: charge of each particle

A:

Q: Mg (24.305 amu) consists of three isotopes with the masses 23.9850 amu ,24.9858 amu, and 25.9826.The…

A: We have to predict the percentage abundance of first isotope.

Q: Rubidium has two naturally occurring isotopes, rubidium-851atomic mass = 84.9118 amu; abundance =…

A: The element carrying dissimilar neutrons number or atomic mass which might be more or less than its…

Q: Rubidium has two naturally occurring isotopes, rubidium-85 (atomic mass = 84.9118 amu; abundance =…

A: Given information:Isotopes of rubidium are Rb-85 and Rb-87.Atomic mass of Rb-85 is 84.9118 amu and…

Q: Element X has two naturally occurring isotopes,  65X(isotopic mass  64.7471 amu, abundance 28.49%)…

A: Given : Element X has 2 naturally isotopes. Mass of isotope 65X = 64.7471 amu Abundance of 65X =…

Q: An element has three isotopes, A, B, and C. Atomic masses and percent abundances of the three…

A: The concept is to calculate the average atomic mass of an element.The elements having same atomic…

Q: Find the average atomic mass for Li if 7.5 % of Li atoms are 6Li with a mass of 6.015 amu and 92.5%…

A: The average atomic mass of any element is the sum of product of mass of each isotope and their…

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: 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: 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: selenium (Z= 34) to 1UIII! 2.73 For each ionic depiction, give the name of the parent atom, its mass…

A: atomic number = number of protons  mass number = number of protons + number of neutrons

Q: 14. Given the information below, calculate the weighted average atomic mass (amu) of the element X.…

A:

Q: An imaginary element Xq consists of two isotopes having masses of 100.0 amu and 102.0 amu. A sample…

A: When an element exists in the form of two or more than two isotopes, the term average atomic mass Is…

Q: A mass spectrometer determined a sample of lithium contains 88.00% Li-6.938 and 12.00% Li-6.997. The…

A: Given: Weightage of Li-6.938 = 88 ℅ Weightage of Li-6.997 = 12 ℅

Q: SCH3U Isotopes and Isotopic Abundance 1. What are the names, symbols, electrical charges, and…

A: (1) There are following three subatomic particles in an atom - Subatomic particle name Symbol…

Q: An element has three isotopes. Giving the abundances and relative masses calculate the average…

A: Average atomic mass of an element can be calculated from their relative abundances from the…

Q: MASS # ATOMIC # ISOTOPE NOTATION # OF N ВOHR NOTATION ELECTRON DOT 2-8-7 2-6 10

A: The question is based on the concept of atomic properties. we have been given bohr notation or…

Q: calculate the charge of each particle Sn(MnO4)2

A: Charge on each particle in Sn(MnO4)2 is determined as

Q: 1. Given the data in table shown below, calculate the atomic mass of unknown element X. Then,…

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

Q: The mass number of an isotope tells you the number of...    A.protons and electrons.   B. protons.…

A:

Q: Rubidium has two naturally occurring isotopes: 85 Rb (atomic mass = 84. 9118 AMU)and 87 Rb (atomic…

A:

Q: element atomic # mass # p+ е- n0 Ne 20 Na 23 28 31 207 125 277 112 17 18 6. 137 81 Rn 224 43 98

A: Filling the table

Q: 32. Compléte the table given below. 32. Nuclear Metal, Nonmetal, Symbol Number of Group Period…

A: The periodic table (also known as the periodic table of elements) is organized In such a way that…

Q: Rubidium has two naturally occurring isotopes, rubidium-85 (atomic mass = 84.9118 amu; abundance =…

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

Group 14 Elements

The following elements come under group 14 of the periodic table.