A monatomic ion has a charge of +3. The nucleus of the ion has a mass number of 259. The number of neutrons in the nucleus is 1.54 times that of the number of protons. a) How many electrons are in the ion? b) What is the name of the element?

Q: The diameter of a US penny is 19 mm. The diameter of a silver atom, by comparison, is only 2.88 Å.…

A: The diameter of one silver atom in the units of mm is calculated as follows:

Q: An atom of calcium is represented by 12C.. How many neutrons are in the nucleus of this atom?…

A:

Q: 3. Oxygen has an atomic number of 8, an atomic mass of 16, and it is neutrally charged.

A:

Q: 4, Cathode ray experiments permitted Thomson to calculate:  Group of answer choices a,…

A:

Q: Which statement about subatomic particles are true? If an atom has an equal number of protons and…

A: This is a true statement because the charge of the proton and the electron are equal in magnitude…

Q: What is the charge of an ion that contains 21 protons and 19 electrons?

A: For any neutral atom, the number of electrons present in the atomic shells is equal to the number of…

Q: Cx 312 -1

A:

Q: Distinguish among the types, locations, and charges of subatomic particles.

A: Protons, neutrons are electrons  that are the three fundamental subatomic particles present in the…

Q: Consider the following atoms in which X represents the chemical symbol of the element:11/22X,…

A: In an atom of the element, there is a nucleus present in the center.  protons and neutrons are…

Q: 1. The noble gas, neon, has three isotopes of masses, 22, 21, and 20. If the isotopes have the…

A: Average atomic mass calculation: (1) Consider the given information is as follows;…

Q: Write definitions of the terms atomic number and mass number. Which of these can vary without…

A: Atomic number :-  Atomic number is the number of a chemical element in the periodic system, whereby…

Q: Define the term monatomic ion?

A: The term monatomic ion has to be defined.

Q: Magnesium has three naturally occurring isotopes, 24Mg (isotopic mass = 23.9850 amu, abundance =…

A: Given data contains, Isotopic mass of 24Mg is 23.9850 amu. Abundance is 78.99%. Isotopic mass of…

Q: Show how the mass spectrometer could be used to determine the relative atomic mass of an atom

A: Introduction: Mass spectrometer is a technique that is used to measure the mass to charge ratio of…

Q: Magnesium has three naturally occurring isotopes, 24Mg (isotopic mass = 23.9850 amu, abundance =…

A: Given data contains, Isotopic mass of 24Mg is 23.9850 amu. Abundance of 24Mg is 78.99%. Isotopic…

Q: The isotope of an unknown element, X, has a mass number of 79. The most stable ion of this isotope…

A: The question is based on the concept of atomic structure . We have  to identify the correct…

Q: Give 3 examples of minerals that forensic geologists commonly encounter in soil samples. Give the…

A: Soil contains many essential minerals that are used in further technologies. These minerals are…

Q: 1. What is the mass number of a potassium (K) atom that has 20 neutrons?

A: Atomic number (Z) = Number of protons Mass number = number of protons + number of neutrons

Q: Give the chemical symbol, including superscript indicating mass number, for (a) the ion with 22…

A: The chemical symbol for any species is written as :   ZXA where Z is the atomic number and A is mass…

Q: Two radioactive isotopes of iodine used for the diagnosis and treatment of thyroid disease have mass…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Fill in the blanks in the chart below with the symbol, mass number, number of protons, neutrons and…

A: The chart below shows the symbol, mass number, number of protons, neutrons and electrons and charge.

Q: What is the mass number (A) of an iron atom that has 31 neutrons?

A: Mass number is equal to the sum of the number of protons and the number of neutrons.

Q: The diameter of a U.S. dime is 17.9 mm, and the diameter of a silver atom is 2.88 A° . How many…

A: The diameter of a U.S. dime is 17.9 mm = 0.0179  meter  diameter of a silver atom is 2.88 A°  =…

Q: Imagine an alternate reality. The Thomson cathode ray experiments arrived at a charge to mass ratio,…

A: Here, we have to determine mass of electron.

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A: We need to consider the hypothetical case where the charge on the proton is twice than that of an…

Q: Oxygen has three isotopes, 16O, 17O, and 18O. The atomic number of oxygen is 8. How many protons and…

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: 3. A. B. C. A chlorine atom has 18 neutrons and an atomic mass of 35. How many protons are in the…

A: In an atom three fundamental particles are present. Positively charged particle proton and neutral…

Q: Consider an ion Cr2+  that has a mass number of 54.   How many protons? How many electrons? How…

A: Given. Atomic mass of Cr = 54 ion = Cr2+

Q: Imagine an alternate reality where the Thomson cathode ray experiments arrived at an electron charge…

A: The given information are:

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A:

Q: A positively charged particle in the nucleus of an atom is    A. an electron    B. a neutron…

A: A positively charged particle in the nucleus of an atom is given below

Q: When calcium becomes an ion, what charge would you expect it to have?

A: The calcium is  element of group 2 and it generally possesses +2 oxidation state, thus it has +2…

Q: Which of the following statements is false? a. The proton and neutron are primarily responsible for…

A: we have to select the false statement

Q: What is the name of the following atoms a) an atom? with 3 protons and 4 neutrons.

A: Given that, a)an atom with 3 protons and 4 netrons What is the name of it?

Q: What charge does a proton have? *

A: Anything that has mass and occupies space is known as matter. Matter is made up of atoms. Atoms of…

Q: Magnesium has three isotopes that contain 12, 13, and 14 neutrons. For each isotope give the…

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: What is the mass number of an element that contains 25 protons, 22 electrons, and 20 neutrons?

A: The given data contains, Number of protons = 25. Number of electrons = 22. Number of neutrons = 20.

Q: 4. A. B. C. D. Nitrogen atoms have 7 protons. How many electrons are in an ion with a charge of…

A: Given that, nitrogen atoms have 7 protons. We have to answer the given questions. Introduction: The…

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A: Atomic number of potassium is 19 and mass number is 39

Q: What are the names of the three subatomic particles? What are their approximate masses in atomic…

A: Subatomic particles are the parts of an atom. They constitute the atom. They play an important role…

Q: What is the symbol for an ion with a 1- charge, 36 electrons, and 46 neutrons?

A:

Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes…

A:

Q: What is the formula of the species that has 24 electrons, 30 neutrons, and a 3+ charge?

A: Given data, Electrons 24, Neutrons 30 and charge is +3 The atomic number of Cobalt is 24

Q: An element's most stable ion forms an ionic compound with bromine, having the formula XBr3. If the…

A: Given: 1) Ionic compound with bromine is=XBr3 2) Mass number of an element is = 225 3) Number of…

Q: A monatomic ion has a charge of +3. The nucleus of the ion has a mass number of 259. The number of…

A: A monatomic ion has a charge of +3. The nucleus of the ion has a mass number of 259. The number of…

Q: How many electrons and neutrons (n) are in a neutral magnesium-26 atom?

A: Atomic number of a neutral atom is equal to the number of electrons or number of protons present in…

Group 14 Elements

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