Questions 17-24 refer to the following: Say you're given the following information: You have a phosphide ion (symbol P). The charge on the ion is 3- The mass of this ion is 31 amu. What is the number of neutrons present? (Answer is a number, no units)

Q: Analysis of a meteor shows the presence of the following stable isotopes of silicon: 28si (M=27.977…

A: Given,Si-28 amu =27.977abundance(%) =67.0%isotope = Si-29 amu =28.976abundance(%) =6.50%isotope…

Q: etermine the number of atoms in 37.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99…

A: Mass of sodium =37.0g Atomic mass of sodium = 22.99g/mol Moles of sodium = 37.0g/22.99g/mol = 1.61…

Q: Give the number of protons, electrons, and neutrons for Chlorine-37

A: Atomic number:  It is defined as number of protons present in an atom.  The symbol of atomic number…

Q: help

A: Mass of Mn Calculate by simply multiple both moles and it's atomic mass. Mass of Mn = ( moles of Mn…

Q: None

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Q: Oxygen is the most abundant element in both Earth's crust and the human body. The atomic masses of…

A: When the product of atomic mass and abundance of each type of isotopes are summed up, we get the…

Q: v, the number of v of Rf is 104 and its v is 267. Therefore the number of protons is One of the…

A:

Q: Calculate the mass in grams of each elemental sample.(a) 1.32 * 1020 uranium atoms(b) 2.55 * 1022…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: Calculate the mass in grams of one mole of each of the following (the mass of a single item is given…

A: Given, moles= 1 eachMass per particle is given (assuming molar mass)To calculate, mass in g Formula…

Q: How many protons, neutrons, and electrons are there in a neutral atom of 43 K (potassium-43)?

A: The given element is Potassium (43K).

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

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Q: How can I determine the element given the following information: 1 mol of atoms would contain 1.084…

A: Each atom is characterized by its unique protons and neutrons count which remain unchanged. These…

Q: Silicon dioxide is the principle component in (window) glass. Approximately how many prc silicon…

A: We will calculate total number of proton

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: Please answer 6 Part A and B

A: Following are the appropriate answers of the given questions.

Q: The Japanese symbol for an atom has been written on a piece of copper metal using 99 iron atoms.…

A: 1 mol = 6.022×1023 [Avogadro's number]  The mass of one mole of atoms of an element is known as its…

Q: The atomic weight of Cl is 35.45 amu. There are only two naturally occurring isotopes of chlorine:…

A: Given  The average atomic weight of Cl = 35.45 amu  The weight of 35Cl   = 35 amu  The weight of…

Q: Question: Arrange the following in order of their mass: atom, electron, molecule, proton. Please…

A: An atom is composed of a nucleus that contains protons and neutrons. A molecule is formed when two…

Q: How many protons are in an ion with 18 electrons and a −1 charge? - Number of protons:   How many…

A: Number of protons are always equal to atomic number of an element. If positively charged ion,…

Q: Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35…

A: Calculation of no. of mol of Xenon:

Q: Explain why the atomic mass listed on the periodic table is 126.9 amu for an atom of iodine and, for…

A: Isotopes are the compounds which have same atomic number but different mass number.

Q: Determine the number of atoms in 25.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99…

A: Given, the mass of one mole of sodium is 22.99 gwe are asked to calculate the number of atoms in…

Q: Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your…

A: Given, atoms of Ag = 1.28 x 1011 atoms Molar mass of Ag = 107.87 g/mol

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 0 n 0…

A: Complete the table, using the diagram of an atom.

Q: If 17.28 g of a pure element contains 8.545×1022 atoms, what is the element? The element is: (Enter…

A: The mass of the element that contains 6.023 × 1023 atoms is called as the molar mass of the element.…

Q: 4) An evil scientist is attempting to split up uranium hexafluoride, UF6, into its componer…

A: Given: Compound= UF6Mass of uranium obtained = 70.5 gMass of fluorine obtained = 36.3 g The…

Q: It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents…

A: It is clearly indicates that the Mg-24 posses a natural abundance of 79% along with other isotopic…

Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

Q: The U.S. Environmental Protection Agency (EPA) sets limits on healthful levels of air pollutants.…

A: Given -->  The maximum safe density of lead in air is d = 1.5µg/m³ = 1.5 x 10-9 g/L    A total…

Q: Chemists generally use the term atomic weight rather than average atomic mass. We state in the text…

A: 1. Atomic mass indicates mass of an atom. Single atom has set of protons , neutrons and electrons.…

Q: The element gallium has two naturally occurring isotopes, gallium-69 (68.9256 amu) and gallium-71…

A: Given , two isotopes of gallium (Ga) are 69Ga = 68.9256 amu 71Ga = 70.9247 amu  Let, % abundance of…

Q: Question 30 of 39 Antimony has two naturally occuring isotopes, 12 Sb and 123sb. 12' Sb has an…

A: The question is based on the concept of isotopes. We have to calculate elemental abundance of each…

Q: Question 2 The actual mass of a 17Cl atom is 36.9659 amu. Calculate the mass deficiency (amu/atom)…

A:

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.