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

Q: Which subatomic particle was discovered by researchers working with cathode-ray tubes?

A: Cathode ray tube experiment Cathode ray tubes are sealed glass tubes are sealed glass tubes that are…

Q: Which describes an atom of plutonium?A. It can be divided into smaller particles that retainall the…

A: A. It can be divided into smaller particles that retainall the properties of plutonium.B. It cannot…

Q: Determine the number of protons and neutrons in each of the following isotopes.

A: Number of protons = atomic number  Number of neutrons = mass number - atomic number

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: The nucleus, the massive center of an atom, contains which two particles?

A: Nucleus is the massive part of any atoms . It contains mostly all the mass any element. Nucleus was…

Q: What are subatomic particles?

A: Sub atomic particle, also called elementary particle, any of various self contained units of matter…

Q: How many neutrons, protons, and electrons does126 52Te have?A. 126 neutrons, 52 protons, and 52…

A: Interpretation - To find number of neutrons, protons and electrons in Te52126.

Q: Identify the three subatomic particles

A: Atom is the smallest unit of matter. It is an indivisible particle.

Q: Compare the properties of the following: α particles, cathode rays, protons, neutrons, and…

A: Protons: They are positively charged particles present in the nucleus of an atom. Electrons: They…

Q: Arrange the following subatomic particles in order ofincreasing mass: neutron, electron, and proton.

A: The masses of neutron, proton, and electron are; mneutron=1.67493×10-27 kgmproton=1.67262×10-27…

Q: 3 major subatomic particles that make up an atom

A: Earlier it was believed that an atom is the smallest particle that is the building block of…

Q: Characterize elements and their isotopes.

A: Due to the discovery of various elements, it was very difficult to organize and study the…

Q: A subatomic particle that has about the same mass asthe hydrogen atom and a negative charge is…

A: Subatomic particles are particles that are smaller than atoms. Generally, atoms are compromised of…

Q: What is the single exception to the statement that all atoms comprise protons,neutrons, and…

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

Q: An atom has a mass of 52 amu and 24 electrons. How many neutrons are in this atom?

A: Neutron is a subatomic particle which do not contains any charge and is neutral. It is denoted by…

Q: Which particles account for most of an atom’s mass?

A: Atoms are the fundamental unit of matter consisting of neutrons, protons and electrons.

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: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: Why was it more difficult to discover neutrons than protons or electrons?

A: Neutrons was discovered by James Chadwick in 1932, after the discovery of electrons and protons.

Q: Iodine has a mass number of 127 and 53 protons, how many neutrons does it have?

A:

Q: Which statement about subatomic particles are true? Electrons are much lighter than neutrons.

A: Subatomic particles include electrons, the negatively charged, almost massless particles that…

Q: protons and neutrons

A:

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: How many protons, neutrons, and electrons are in an atom of strontium-90?

A: The atomic number of strontium is 38. The atomic number present in a neutral atom is always equal to…

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

A:

Q: Which statement about subatomic particles are false? Protons have about the same mass as neutrons.

A: An atom is made up of subatomic particles which are protons, neutrons and electrons.

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: What is the mass number of an atom of calcium that has 21 neutrons?

A: We know ,  Mass number of an atom = number of proton + number of neutron

Q: How are protons and neutrons similar? How are they different?

A: Similarities: Protons and neutrons have almost the same mass and are both located in the nucleus of…

Q: the isotope with 33 protons and 40 neutrons in its nucleus

A: Given : number of protons is 33. And number of neutrons = 40

Q: In a sample of nitrogen, there is 99.63% N-14 atoms and 0.37% of N-15 atoms. What is the atomic mass…

A:

Q: What is the difference between protons and neutrons?

A: We have to write the difference between protons and neutrons.

Q: How many neutrons are there in chlorine Cl

A: Isotopes:  The atom has same atomic number but different mass number is called isotope.The stable…

Q: what is the mass of 7.15 x 10^22 aluminum atoms?

A: Given, Number of Aluminium atoms = 7.15×1022

Q: An ion of platinum has a mass number of 195 and contains 74 electrons. How many protons and neutrons…

A: Given data: The mass number of platinum ion=195 Number of electrons present in platinum ion=74 To…

Q: What is the proper way to write an atom with 17 protons and 20 neutrons?

A: An atom basically consists of proton, neutrons and electrons. The protons and neutrons are present…

Q: How many protons, neutrons, and electrons are contained in an atom of argon, which has an atomic…

A: The atomic number is determined by the number of protons. The number of neutrons is obtained by the…

Q: Which subatomic particles have a negative charge?

A: A typical atom consists of three subatomic particles: protons, neutrons, and electrons. Protons and…

Q: How many neutrons are there in an atom of iron with a mass number of 52?

A:

Q: An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the xenon isotope’s…

A:

Q: Define the terms Neutrons, Protons, and Nucleus?

A: The atom has three fundamental particles known as neutron, proton, and electrons.

Q: What is mass number of a Ne atom that has 14 neutrons?

A: Symbol of an element as listed in periodic table has two numerals written with it. The one on…

Q: neutrons

A:

Q: How many protons, neutrons, and electrons are there in a neutral atom of 113In (indium-113)?

A: Atomic number of indium = 49 Atomic mass of indium = 113

Q: What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

A: No of electrons = 48 No of neutrons = 46 No of protons = 52

Q: How many neutrons are there in this element?

A: Given : We have to tell number of neutrons in the given element.

Q: 2. Explain how Lavoisier's Law of Conservation of Mass supports Democritus' theory that atoms cannot…

A: Please find your solution below : Atom is the smallest unit of matter. It is defined as the basic…

Q: Find the number of electrons and neutrons in the following: 127|-1 Electrons Neutrons

A: Mass number (A) :-  The sum of protons and neutrons present inside the nucleus of an atom is called…

Q: 13. Determine the number of neutrons for the following isotopes: A) Cr-53 Number of neutrons B) K-37…

A: First find out the atomic number for both elements and using that, find out number of neutrons in…