Which of the three subatomic particles was discovered first—the proton, neutron, or electron? Which one was discovered last?

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: Which statements about subatomic particles are false?a. Protons and electrons have charges of the…

A: Which statements about subatomic particles are false has to be given.

Q: 72 For the elemental symbol Ge, how many neutrons are present?

A: We are given  G3272e mass number=72 Atomic number=32 atomic number = number of proton=32

Q: Complete the following table: 46V Symbol Protons 15 Neutrons 15 68 52 Electrons Please enter the…

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Q: Question attached

A: Fermions Fermions are one of the  fundamental classes of particles,  Fermion particles are described…

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are? (Explain in 200 words)

A: A matter is made up of molecules. Where as atoms are the building block of molecules.  Atom are made…

Q: Discuss the relationships between matter, mass, elements, compounds, atoms, and subatomic particles

A: Matter: Anything having some mass and also occupy some space is called as matter. Mass: Mass is…

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: An ion composed of which of these particles would havea mass of approximately 16 amu and a charge of…

A: An atom consists of the nucleus at its center, and electrons revolve around the nucleus. The nucleus…

Q: What rules can you use to tell how many protons, neutrons and electrons make up an atom or ion?

A: Protons, Neutrons and Electrons together compose an atom.  An atom has Neutron and Protons in the…

Q: The fundamental particle of matter is the A) proton B) electron C) neutron D) atom E) None of the…

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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: How many protons, neutrons and electrons are there in a neutral atom of the isotope of antimony…

A: Number of protons = atomic number   Number of electrons = atomic number(in case of neutral atom)…

Q: Which statement about subatomic particles are true? Protons have twice the mass of neutrons

A: Subatomic atomic particles: A standard atom consists of three subatomic particles:  Electron Proton…

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

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

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: 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: 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: Differentiate between an ion and an isotope

A: In order to differentiate between two species it means the difference between the species needs to…

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: Compare the relative charge and mass of each of the subatomic particles.

A: We have to compare the relative charge and mass of each of the subatomic particles. Solution:  There…

Q: number of protons and neutrons in each isotope

A:

Q: An ion that consists of 16 protons, 32 neutrons, and 18 electrons has:

A: The atom consist of 3 particles-  1- electron 2- proton 3- neutron

Q: which of three subatomic particle was discovered first - the proton, neutron or electron?

A: The subatomic particle out of the three that was discovered first is to be identified- the proton,…

Q: How do the three subatomic particles differ?

A: An element is the simplest substance present in a substance and it cannot be further divided into…

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: 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: 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: Zinc has 5 naturally occurring isotopes. How are these isotopes similar to each other? A) They have…

A: Isotopes are the species of same element which differ in terms of atomic masses

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

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Q: List the three main subatomic particles?

A: Stable particles which Play important role formation of atoms of matters called as main subatomic…

Q: Relate the three (3) subatomic particles in your life as a student

A: A subatomic particle is one that is smaller than an atom in dimension. The three subatomic particles…

Q: Estimate the percentage of the total mass of a atom that is due to (a) electrons, (b) protons, and…

A: Dear student, you have not mentioned the atom for which the mentioned percentage is required. I am…

Q: Which one of the following statements regarding subatomic particles is true? a. Electrons have a…

A: An atom consists of three sub-atomic particles namely, electrons, protons, and neutrons. Electrons…

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: Name the two parts of an atom, where you can find the following subatomic particles (protons,…

A: Atom is electrically neutral and consist of electron , proton and neutrons.  Electrons are…

Q: Complete the following table by filling in the missing information in each blank. Please only type…

A: Atomic number of an element is defined as the number of protons present in nucleus. Mass number of…

Q: What type of particles are found in the cloud surrounding the atom's nucleus? O Positively charged…

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Q: Match each charge, mass, or description with the correct subatomic particle. Some descriptors match…

A: The atom has three sub-atomic particles namely electron, proton and neutron.

Q: Discovering which of the three subatomic particles proved to be the most difficult—the proton,…

A: From three subatomic particle - the proton, neutron and electrons : Answer :            The NEUTRON…

Q: Which statement about subatomic particles are false? Some atoms don’t have any protons.

A: All atoms have protons.  Every atom has fixed number of number of protons.

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

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

Q: There are three primary subatomic particles that comprise an atom. (i) Name the three subatomic…

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Q: Describe the Millikan oil-drop experiment in 50 words (or formulas or chemical equations, etc) or…

A: Answer -  Millikan oil-drop experiment - Millikan and Harvey Fletcher conducted the oil drop…

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why?…

A: Rutherford's nuclear theory is based on three key points- (a) The nucleus is the core of the atom,…

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…