Which one of the following statements regarding subatomic particles is true? a. Electrons have a much higher mass than protons. b. A proton has a positive charge. c. A neutron has a negative charge. d. The electrons compose the nucleus of the atom.

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…

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Q: suggested that everything was made of atoms

A: According to Dalton's atomic theory,  matter is consists of tiny paricles ,called atoms

Q: Fill in the blanks. The subatomic particle _____________ lacks a charge and are located in…

A: Subatomic particles are neutron , proton and electron in which electron has -ve charge proton has…

Q: On a sheet of paper, Illustrate the history of the atom. Indicate the scientist's name, the Time…

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Q: Fill in the table with the most information you can. Use pictorial illustrations whenever necessary.…

A: Structure of atom has been described on the basis of various types of atomic model given by various…

Q: Describe the early Greeks' idea of the atom?

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Q: Compare the plum pudding model of Thomson to the nuclear model of Rutherford. Describe the…

A: Plum pudding model of Thomson : In 1898, J. J. Thomson proposed the first of many atomic models to…

Q: What most likely explains why the chemical symbol for calcium is? A. The symbol was already used for…

A: Calcium is discovered by Humphry Davy in 1808. It belongs to group 2 of the periodic table with an…

Q: Rutherford bombarded a gold foil with alpha particles. Describe what he observed and what did his…

A: Rutherford bombarded a gold foil with alpha particles which are positively charged particles and…

Q: What subatomic particle is the primary concern of chemistry?

A: Bohr model gives information about three basic subatomic particles.

Q: How to get atomic mass protons electrons and neutrons? How do cation and anion work?

A: Atom consist of a heavy mass in the center which is known as nucleus. Nucleus contains protons and…

Q: What did Ernest Rutherford discover about the structure of an atom ?

A: Rutherford carried out alpha-particles scattering experiment by the bombardment of high speed…

Q: Briefly explain how Rutherford discovered the nucleus.

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Q: Neutron was discovered by *

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Q: Find the number of protons, electrons, neutrons of and symbol of Tungsten.

A: The number of protons, electrons, neutrons of and symbol of Tungsten has to be given,

Q: Chemistry midterm A neutron has a mass of and a charge of

A: A neutron is a particle present in the nucleus of the atom. It is a neutral particle having 1 unit…

Q: The difference of a few little protons, neutrons, and electrons can produce a variety of…

A: Atoms are the basic units of matter.  The term "atom" comes from the Greek word and its meaning is…

Q: * Part of Dalton's theory were correct is O All matter is composed of atoms O Atoms of a given…

A: Out of the four options we have tell which of the options are correct in accordance to Dalton's…

Q: In Rutherford experiment what was the unexpected result

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Q: From the experiments of JJ Thomson, which of the following is not one of his conclusions?   Group of…

A: From the experiments of JJ Thomson, which of the following is not one of his conclusions

Q: Most of the mass or weight of the atom is in

A: Correct Ans - Nucleus Most of the mass or weight of the atom is in the nucleus.

Q: In any neutral Adam there are equal numbers of? A. Neutrons and electrons B. Protons and neutrons…

A: Neutral atom are those having not any charge. They are wholely neutral

Q: Which statement about subatomic particles are true? Electrons are attracted to protons.

A: Electrons are negatively charge and protons are positively change particle, so by this opposite…

Q: Explain the four points of the particle model of matter.

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Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please…

A: Answer of given questions are as follows:

Q: Which idea came out of Rutherford’s gold foil experiment?a) Atoms contain protons and neutrons.b)…

A: Rutherford’s gold foil experiment is also called as Planetary model of the atom in which he told…

Q: How many isotopes does this element have?

A: From the graph, it is cleared that the number of isotopes of the unknown element is 5.

Q: accomplishments

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Q: Could Rutherford make any conclusions about neutrons and electrons based on the experiment's results…

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Q: What did John Dalton proposed about the atom?

A: John Dalton atomic model is a postulate that has no experimental basis.

Q: Describe Rutherford’s model of the atom.

A: To find: The description about the Rutherford's model of the atom

Q: er scientists knew that atoms contained charged subatomic pa the masses of the particles are…

A: using the mass data expressed in grams in the table calculate how many times more massive a proton…

Q: Give a Characteristics of an Atomic?

A: Solution-   An atom has three subatomic particles The nucleus has a well-charged atomic center and…

Q: proposed

A: Democritus theory is Ancient theory, He say about that matter consists of atom means smallest…

Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

A: Average atomic mass (AAM) :  AAM =isotopic mass x abundance 100   To find the mass of second…

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

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

Q: The proton and the electron have about the same mass. Most of the mass of an atom is due to The…

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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: Draw your own concept of an atom. You may refer to the model given by Bohr for an idea of the atom…

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Q: What particles comprise the charge of the nucleus?

A: To find : What particles comprise the charge of the nucleus.

Q: Nitrogen (N), has two naturally occurring isotopes: N-14 that has a percent abundance of 99.63 % and…

A: The atomic mass of Nitrogen = ( mass of N-14 X percent of N-14 + mass of N-15 X percent of N-15) /…

Q: Summarize the history of the atomic idea. How was Dalton able to convince others to accept an idea…

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Q: Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube experiments?…

A: To find: Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube…

Crystal Structures

Solids are present all around us. They have different properties and applications. Diamond and graphite are two well-known solids. Diamond is the hardest material in the world and is used in making jewelry. Graphite on the other hand is soft. The lead of your pencil is graphite. Why are they so different in appearance and properties despite the fact they are chemically the same? Both are allotropes of carbon. The answer lies in the structure, the way constituent particles are arranged in the solids.