a) What do you understand by the statement: "the energy of the electrons in an atom is quantized"?  b) Why did Rutherford select alpha particles in his gold foil experiment? Briefly explain answer in own word. (please avoid plagiarism)

Q: A proton imparts the nucleus of an atom with a___________ charge.

A: An atom is made up of protons, neutrons, and electrons. Protons and neutrons together form the…

Q: Abeta particle has a mass number of ____ and a charge of _____.

A: Given A beta particle has a mass number of ____ and a charge of _____.

Q: g. What is the atomic number for potassium? h. What is the atomic mass for potassium? i. How is the…

A:

Q: Rutherford’s gold foil experiment consisted of firing positively charged alpha particles at a thin…

A: Rutherford alpha particle experiment. He observed that when alpha particles are passed through the…

Q: The periodic table provides us with what information?a. the atomic number, symbol, and massb. how…

A: Explanations for incorrect answers: Option (b) is given as "how many shells an atom has". This can…

Q: How and by whom was the electron discovered?

A: The electron was discovered by an English physicist J.J Thomson.  J.J Thomsom performed a…

Q: The diagram below depicts a lithium atom with three protons and four electrons. Calculate the charge…

A: Lithium belongs to group 1. The atomic number of Li is 3 and it's electronic configuration is 2,1.

Q: Why can we say that an atom is mostly empty space?

A: Atoms consists of subatomic particles like electrons , protons and neutrons  Arrangement these…

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

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: Which experiment did you observe that the charge is quantized? Explain the main line of experiment.

A: Answer - Charge quantization - Charge quantization is the principle that the charge of any object is…

Q: Describe Rutherford’s nuclear model of the atom. What was revolutionaryabout his model?

A: According to the Rutherford atomic model: The positively charged particles and most of the mass of…

Q: What is an atom composed of?

A: an atom composed of :

Q: Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or…

A: To find : Which subatomic particles are found in the nucleus of the atom.

Q: Calculate the atomic mass for an element given the mass and abundance of the naturally occurring…

A: Atomic mass: It is equal to sum of all proton and neutron. It is the mass of compound present in one…

Q: Examine the atomic mass starting from H and follow the ribbon up to #118. Find any atomic mass that…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: Briefly describe(a) the law of conservation of mass(b) Rutherford’s nuclear atom(c) weighted-average…

A: (a) the law of conservation of mass(b) Rutherford’s nuclear atom(c) weighted-average atomic mass(d)…

Q: What

A: We will Give name of charged particle.

Q: i) Ernest Rutherford discovered a. proton b. electron ...................by thin gold foil…

A:

Q: Name the subatomic particles of an atom, and indicatetheir mass, charge, and location in an atom.

A: The particles which are present inside the atom are known as sub-atomic particles. Each particle has…

Q: A friend from your general chemistry class claims that the nucleus occupies a large volume in an…

A: The person claims that nucleus occupies a large volume in an atom. Let's see whether the claim is…

Q: An atom can be thought of as being

A: There exist three types of atoms with a single proton in their nucleus. These are the isotopes of…

Q: What is atomic mass and atomic number? Give me example of how to get electrons neurons and protons?

A: Atomic mass (Mass number) is the sum of the number of protons and neutrons inside the nucleus of an…

Q: Which atom(s) are isotopes? Explain your answer.

A: Isotopes are the types of any element that consists of different numbers of Neutron and similar…

Q: Why is the number of electrons not part of the mass number of an atom?

A: The reason for the number of electrons not part of the mass number of an atom  has to be given.

Q: Electron- Proton- Atomic number- Atomic mass- Neutron- Nucleus- C. Isotopes or Different Elements?

A: A typical atom is made up of subatomic particles that include electrons, protons, and neutrons.…

Q: Part A Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic…

A:

Q: How do I find a total charge of an atom

A: The charge of an atom is the number of protons minus the number of electrons. Usually, these two…

Q: Contrast the methods used by the Greek philosophers and Daltonto study the atom.

A: The Greek philosophers used their perception and imagination to create a picture and description…

Q: Complete the following statements: a. The atomic number gives the number of _______ in the nucleus.…

A: The number of protons, neutrons and electrons which make up a neutral atom has to be given. A…

Q: A. Explain what experimental evidence supports the following statements: Atoms are destructible.…

A: 1. Atoms are destructible. Atoms are the fundamental building blocks of matter.According to Dalton…

Q: Which subatomic particle identifies an atom as that of a particularelement?

A: The sub- atomic particles are smaller than the atoms and these constitutes to form an atom.…

Q: The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?

A:

Q: what is the A, Z, E, CHARGE, MASS, # OF NUETRONS, PROTONS AND ELECTRONS OF POTASSIUM -40

A: Mass number (A) = number of protons + number of neutrons Atomic number (Z) = number of protons. E =…

Q: Part C An atom has a mass number of 27 and 14 neutrons. What is the atomic number of this atom?…

A: Mass number & Number of neutrons are given.

Q: How was an electric field used to determine the charge of a cathode ray?

A: Cathode rays are also known as an electron beam and they travel in a straight line.

Q: 6. Tungsten is atomic number 74 on the Periodic Table. Supply the indicated information for a…

A: Given,  Atomic number of Tungsten = 74  184W  mass number = 184

Q: Predict and test the behavior of a particles fired at a plum pudding model atom

A: The "plum pudding" model given by J J Thomson assumes an atom to be a solid positively charged…

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

A: Atom is considered as the smallest particle of matter. There are various models for describing the…

Q: Which particle, if lost from the nucleus, will not change the element (no change to atomic number?)

A: Atomic number of parent nuclei changes when we add or remove charged particles like α-particle…

Q: d. A sample of potassium atoms is made up of 54% 39K and 46% 41K. Use this information to find the…

A:

Q: The nucleus of an atom has a positive charge.

A: Answer - Atomic nuclei consist of electrically positive protons and electrically neutral neutrons.…

Q: For the given atom: (a) determine the number of protons, neutrons, and electrons in the neutral…

A: Atoms contains nucleus and electron revolve around the nucleus. Nucleus contains proton and neutron,…

Q: In Rutherford’s gold foil experiment, which particle(s) were used? Group of answer choices α-rays…

A: Alpha rays (radiation) is the emission of an alpha particle (helium nuclei). Beta rays (radiation)…

Q: In Rutherford's gold foil experiment, a very small number of α-particles were deflected, what about…

A: Given  Statement of Rutherfold's gold foil experiment = deflection by small number of alpha particle…

Q: 1. If an atom has a radius of 100 m, it would approximately fill a football stadium. a. what would…

A: a) If an atom has a radius of 100 m, it would approximately fill a football stadium. What would 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.