A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How many protons would be present in the sample?

Q: Three magnesium isotopes have atomic masses and relative abundances of 23.985 amu (79.99%), 24.986…

A: The atomic of an element = Σ Atomic mass ( Isotope ai ) X Abundance (Isotope ai) Atomic masses and…

Q: SHOW THE TWO WAYS OF WRITING THE SYMBOL FOR AN ATOM OF IODINE WITH 78 NEUTRONS

A: Atomic number is equal to the number of electrons and protons in an atom. Mass number is equal to…

Q: What is the mass of 4.91×10214.91×1021 platinum atoms?

A: For  calculating the mass of substance , we have the governing equation  m=NA×Molecular weight ,…

Q: Magnesium (average atomic mass = 24. 305 amu) consists of three isotopes with masses 23.9850 amu,…

A: Given: average atomic mass = 24. 305 amu three isotopes with masses 23.9850 amu, 24.9858 amu, and…

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: 109. Fill in the blanks to complete the table. Number of Number of Number of Symbol A Protons…

A: An element consists of three sub-atomic particles. These are protons, neutrons and electrons.

Q: What is the charge for an atom that has 28 protons, 28 electrons, and 30 neutrons?

A:

Q: 122Sb-3                Electrons ..........             Neutrons .......

A:

Q: Which statement about protons is false?(a) Protons have about the same mass as neutrons.(b) Protons…

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: Complete the following table: Symbol.               69Ga+3.          ------ # of protons.…

A: Atomic number (Z) = Number of protons. Number of protons = Number electrons ( for uncharged species)…

Q: 4. Complete the following table. Symbo # 206pb Mn²+ Net Protons Neutrons Electrons Charg le 31 52 38…

A: Here we are required to find the number of subatomic particle of different element

Q: The atomic mass of copper is 63.546 amu. Do any copper isotopes have a mass of 63.546 amu? Explain.

A: The atomic mass of copper is 63.546 amu.

Q: What is the mass number of a phosphorous (P) atom with 17 neutrons?

A:

Q: 1. Complete the table below Symbol atom # mass # Protons neutrons Electrons charge 8. 3- 14 104 44…

A: Atomic number: The atomic number (represented by the letter Z) of an element is the number of…

Q: Which is the isotopic notation symbol for the ion with 78 protons, 116 neutrons, and 76 electrons?

A: In the given question we have to determine the isotopic notation symbol for data provided. no. of…

Q: What is identity of an ion having 32 protons, 30 electrons and 40 neutrons?

A: Given : number of protons = 32 number of electrons = 30  and number of neutrons = 40

Q: Describe the electrical charges and relative masses of protons, neutrons, and electrons

A: Atomic Structure: The atomic structure can be described by saying that, atoms contain three types of…

Q: What is the symbol for an Atom that contains 91 protons in 140 neutrons?

A: Atomic number (Z) is the number of protons in an atom.  Mass number (A)is the combination of protons…

Q: If a certain atom is composed of 5 neutrons, 5 electron and 5 protons. The net charge is said to be

A: Atoms are composed with nucleons (protons and neutrons) and electron.   Charge of a…

Q: Magnesium (average atomic mass = 24.305 amu) consists of three isotopes with masses 23.9850 amu,…

A: This question is answered by using the simple concept of calculation abundance of the isotopes using…

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

A:

Q: 16. Give complete symbols of each atom, including the atomic number and the mass number. a. a…

A: An atom has nucleus. Protons and neutrons are present in nucleus. Electron revolve around the…

Q: An element with 11 neutrons, 11 protons, and 11 electrons would have a mass number of _____?

A: The total number of neutrons and protons present in a nucleus is known as mass number.

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: Which statement about subatomic particles are false? Protons and neutrons have charges of the same…

A: Proton, neutron and electrons are the subatomic particles present in an atom.

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: Which atomic particles are electrically charged? (a) electrons and neutrons (b) neutrons and protons…

A: Given, Which atomic particles are electrically charged?(a) electrons and neutrons(b) neutrons and…

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

A:

Q: In the Millikan oil drop experiment they determined that every drop had a charge which was a whole…

A: An atom is said to be electrically neutral, if it contains equal number of positive and negative…

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

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

Q: In complete sentences, describe the similarities and differences between:a. different isotopes of an…

A: (a) similarities and differences between isotopes of an element: Various isotopes of an element have…

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: An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99…

A: Given  natural abundances and isotopic masses: 90.92% abundance with 19.99 amu, 0.26% abudance with…

Q: 3) Silicon has three naturally occurring isotopes: Si-28 with mass 27.9769 amu and a natural…

A: To get the average atomic mass of silicon, we take the atomic mass of each isotope and then multiply…

Q: Given the information below please calculate the average atomic mass for the isotopes. 0.12% O-15…

A: The average atomic mass can be calculated using the formula, Average atomic mass=Natural abundance…

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: Element "X" has a mass# of 53. How many neutrons does it have if its atomic# is 27

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

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

A:

Q: Which equation is true of an atom with no electrical charge? O A. Number of electrons = number of…

A: Here given options regarding an atoms.we are asked which is true for an atom with no electrical…

Q: Isotope name atomic # mass # # of protons # of neutrons # of electrons thorium-232 thorium-229…

A: Atomic no. = No. Of protons = No. Of electrons No. Of neutrons = mass no. - no. Of protons

Q: Do any copper isotopes have a mass of 63.546 amu? Explain

A: Solution Due to the unequal numbers of neutrons, the isotopes of components sometimes have a unique…

Q: Iron has an atomic number of 26 and a mass number of 56. How manyprotons, neutrons, and electrons…

A: Give,  Atomic number of Fe = Z = 26  Mass number of Fe = A = 56  How many protons = ? How many…

Q: A certain ion X3+ contains 21 electrons and 29 neutrons Identify an ion? what is the mass number…

A: Ions are formed, when an atom gains or loses its electrons, so the ions do not have the equal number…

Q: On the planet Invertios, boron has two isotopes as follows: Isotope Mass (amu)…

A: Many naturally occuring elements exists as more than one isotope. On the basis of their percentage…

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: Write the complete symbol, including mass number and atomic number, for each atom? Contains 15…

A: The atomic number of an element is the number of protons in the nucleus of an atom or it is the…

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.