If you wanted to make an accurate scale model of the hydrogen atom and decided that the nucleus would have a diameter of 1 mm, what would be the diameter of the entire model?

Q: A. Explain how you would determine the number of neutrons in a chlorine atom that has a mass number…

A: Given, A chlorine atom has a mass number of 37 Another chlorine atom has a mass number of 35…

Q: What is the symbol (including the atomic number, mass number, and element symbol) for the oxygen…

A: Given that, 1) Isotope= Oxygen 2) 2145Sc

Q: 1. A sample of magnesium has the following isotopic abundances: Isotopic mass (amu) 23.99 24.99…

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Q: 17) You have 19 protons, 19 electrons, and 39 neutrons, which element do you have? How do you know?

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Q: The three most common isotopes of tin have mass numbers 116, 118, and 120. For each isotope, give…

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Q: Which statement about the three fundamental particles is false? O a. The charge of a proton is equal…

A: Electrons, protons and neutrons are considered as fundamental partials of atom

Q: Describe a mass spectrometer in 50 words (or formulas or chemical equations, etc) or less.

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

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

A: Given, Dimension of paper  = 8.5’’ x 11’’ Mass number of hydrogen atom = 1

Q: 4. How are isotopes of the same element alike? How are they different? 5. Natural lithium comes in…

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Q: How many protons, neutrons, and electrons are in the followingatoms? (a) 40Ar, (b) 65Zn, (c) 70Ga,…

A: (A) 40Ar= protons- 18, neutrons- 22, electrons- 18 (B) 65Zn= protons- 30, neutrons- 35, electrons-…

Q: How many protons (p), neutrons (n), and electrons (e) are in one atom of  23  12   Mg  ? (*23 is the…

A: Mg is an Alkaline Earth Metal (Group 2) element. Atomic No. of Mg = 12 Mass No. of Mg = 23

Q: What is an atom? O It is composed of protons and electrons but not neutrons O It is the smallest…

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Q: How many protons and how many neutrons are there in a nucleus of the most common isotope of (a)…

A: Number of protons = atomic number  Number of neutrons + number of protons = mass number  So,…

Q: 2. The isotope of iodine with a mass number 131 is often used in medicine as a radioactive tracer.…

A: We know that, Number of proton= Atomic number=no. of electron (when no any charge present) no. of…

Q: What is the mass number of an atom that contains a. 42 protons, 42 electrons, and 53 neutrons? b. 24…

A: a. 42 protons, 42 electrons, and 53 neutrons? b. 24 protons, 24 electrons, and 28 neutrons? To find…

Q: j. How is the mass number related to the number of protons, neutrons, and/or electrons? k. Potassium…

A: j) Mass no. is the sum total of no. of protons and neutrons. Mass no.=no. of protons+no. of neutrons…

Q: Bromine (Br) has two isotopes, with masses of 78.92 and 80.92 amu. What is the natural abundance of…

A: given, the two isotopes of bromine with masses heavier isotope = 80.92 amu lighter isotope = 78.92…

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: A sample of gallium contains two isotopes and its atomic weight is 69.72 amu. If the sample is…

A: Isotopes can be defined as the members of same family having same atomic number but different mass…

Q: An atom has an average atomic mass of about 24.3 amu. What is the chemical symbol for the atom? Use…

A: Atomic mass is the mass of an atom. SI unit of mass is the kg. Atomic mass is often expressed in the…

Q: Describe the Millikan oil drop experiment in 50 words or more, especially it'a process. What…

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Q: The charge to mass ratio of an electron was determined from Thomson's cathode-ray tube experiment to…

A: From Thomson's cathode ray ride experiment we determine charge to mass ratio of an electron.…

Q: What is the mass of iridium 2 most common isotopes and the numbers of protons and neutrons in each…

A: The elements which has same atomic number but different mass number is known as Isotopes. Iridium…

Q: How many protons, neutrons, and electrons are in the following? a. 1 atom of iodine-127 b. 1 atom of…

A: Solution : 1)The atomic number of Iodine is 53 which tells us that it contains 53 protons in its…

Q: Which statement about the three fundamental particles is false? a. The charge of a proton is equal…

A: Given data:- three fundamental particles Electron, proton & Neutron.  Find false statements…

Q: Carbon has several isotopes including 12C and 14C. These isotopes differ in the number of:   a.…

A: Isotopes , elements which have same atomic number but different molar mass . And we know that…

Q: Which of the following are isotopes? Atom or ion A QR MGEL # of electrons 5 9 18 28 36 5 9 # of…

A: Isotopes are the species that has same number of protons but different number of neutrons.

Q: The atomic theory states that all matter is made of atoms. These atoms are made of subatomic…

A: Matter is made up of atoms.  Atom contains particles like electron, proton and neutron. Proton and…

Q: Which pair of atoms constitutes a pair of isotopes of the same element? O ax 6' 19 19 O b. 10 20X…

A: Isotopes are the species that contains same number of electrons and protons but different number of…

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: 2. A naturally occurring sample of argon contains 2696 atoms of Ar, 504 atoms of Ar, and 7.968 X 10…

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Q: How many protons, neutrons, and electrons are in one atom of Zn ? O A. 30 protons, 40 neutrons and…

A: Answer option A. 30 protons, 40 neutrons and 30 electrons.

Q: Neutral atoms of all isotopes of a given element have the same A) number of protons and neutrons B)…

A: The element containing similar proton-electron numbers or atomic number and distinct atomic mass or…

Q: ISOTOPES Determine the PROTONS, ELECTRONS and NEUTRONS in the following isotopes: p = e = n° = n° =…

A:

Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

A: Dalton's atomic theory was the first theory to describe all matter in terms of atoms and their…

Q: If you wanted to make an accurate scale model of the hydro- gen atom and decided that the nucleus…

A: No, the end result will not be much smaller than 106 mm. This is because it is an hypothetical model…

Q: The volume of a single lead atom is 2.24×1023 cm³. What is the volume of a lead atom in microliters?…

A: Here the volume of a single lead atom is given in cm3 and we have to convert it into microliters.…

Q: Which is the explanation for the difference between the two isotopes of carbon, C-12 and C-14? a.…

A: Concept: Isotopes are the element of the same species that have the same atomic number but differ in…

Q: 4/2He+2has how many protons, neutrons, and electrons?

A: Consider the relation between atomic number, number of protons and number electrons in the neutral…

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12…

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons…

Q: SUBATOMIC PARTICLES AND ISOTOPES Complete Symbol Mass Number Number of Protons Atomic Number of…

A: Given subparts: 7. Element name: Bromine Mass number = 80 Complete symbol=? Atomic number=? Number…

Q: Of the following subatomic particles, the one that has the lowest mass is   a. a proton.   b. a…

A: We know that, mass of proton= 1.67×10-27 Kg mass of neutron= 1.67×10-27Kg mass of electron=…

Q: The atomic radii of the isotopes of an element are identical to one another. However, the atomic…

A: 1. Isotopes of an element have the same atomic number but different mass numbers. For example:…

Q: Describe the Rutherford gold foil experiment in 50 words (or formulas or chemical equations) or…

A: Rutherford gold foil experiment has been explained below.

Q: Give the name and the number of neutrons in each isotope. 19/9X Spell out the full name of the…

A:

Q: Write isotopic symbols in the form AZX for each isotope.a. the copper isotope with 34 neutronsb. the…

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

Q: An isotope of lead (Pb) has 122 neutrons. The mass number of this isotope is a. 204 b. 82 c. 288…

A: The solution is as follows :

Q: Which of the following statements is TRUE, and why? A. Anions are usually larger than their…

A: A. Anion: It is the negatively charged species which has more number of electrons than protons.…

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.