In Rutherford’s planetary model of the atom, what keepsthe electrons from flying off into space?

Q: Describe John Dalton's atomic theory?

A: Structure of atom is the significant discovery. Different scientists has proposed different…

Q: What are some flaws in Dalton's atomic theory?

A: Given:- What are some flaws in Dalton's atomic theory?

Q: Describe the Rutherford's α-particle bombardment experiment. Explain the Rutherford Atomic Model…

A: Solution :      Rutherford's atomic model put forward by Ernest Rutherford to explain the atomic…

Q: In the following diagram, blue spheres represent the element A and yellow represent the element

A:

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: ered neutro

A: Neutron is a fundamental particle present in the nucleus of an atom.

Q: How many electrons are in an atom of Te?

A: Tellurium is a 'p' - block element in which the differentiating e- enters into a p - orbital of the…

Q: What are the 50 elements and their symbols?

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: what elements are considered a diatomic element?

A: An element is a substance that cannot be broken down into simple components and it is made entirely…

Q: Explain the Nuclear Model of the Atom?

A: Rutherford's atomic model is also known as the nuclear model of an atom.

Q: How and by whom was the electron discovered? What basic properties of the electron were reported…

A: Models for electrons- J.Thomson in 1897 discovered electron with the help of cathode ray tube…

Q: DescribeThomson’s plum-pudding model of the atom?

A: The Plum Pudding Model is given by J.J. Thomson, in 1904. J.J. Thomson had given this Plum- pudding…

Q: What did Rutherford determine about the structure of the atom from his gold-foil experiment?

A: There are 3 sub-atomic particles in an atom: Electrons: These are negatively charged particles…

Q: From the experiments of jj thomson which of the following is not one of his conclusions. electrons…

A: The question is based on the concept of atomic structure. We have to identify the conclusion which…

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: Dalton assumed that all atoms of the same element are identical in all their properties. Explain…

A: One of the postulates of Dalton's Atomic Theory is: All the atoms of the same element are identical…

Q: + а. Bohr b. Dalton C. Rutherford d. Thomson 3. Which atomic model was the first to show a nucleus,…

A: 27) in the Given figure, the model of an atom was proposed by Thomson.

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are?

A: We need to determine wheather  electron, proton or neutron are the smallest particle or not.

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: A brief summary indicating Rutherford major contribution to the atomic theory.

A:

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

A:

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: True or False -Atomic theory doesn't need to be taken seriously because it's just a theory ....

A: Given statement is, Atomic theory doesn't need to be taken seriously because it's just a theory

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: Why did J.J. Thompson experiments with cathode ray tubes imply about the mass of an electron…

A:

Q: List and explain Dalton's atomic theory (postulates). Explain which postulates were rejected and…

A: John Dalton gave the first postulates about the structure of an atom......

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: 25. Which determines the speed of a molecule? * a. Its kinetic energy b. The amount of the molecules…

A: Multiple choice questions : 25-28

Q: In the Rutherford Gold Foil Experiment, why did Rutherford expect the alpha particles to pass…

A: Based on Thomson's plum pudding model, Rutherford predicted that most of α particles would pass…

Q: What is an element?How are elements arranged in the periodic table?

A: The elements starting from hydrogen having atomic number 1 to the element with atomic number 118 are…

Q: Where do I find the charge of the elements in the periodic table?

A:

Q: Explain how Rutherford concluded that the atom is principally empty space.

A: An atom is composed of three component particles which are electrons, protons and neutrons.  The…

Q: What refinement had to be made in Dalton’s atomic theory to account for Gay Lussac’s results on…

A: Dalton's atomic theory was based on law of relative masses, but the masses of chemical compounds in…

Q: Which scientist developed a model that is still used today to show the number of electrons in each…

A: Bohr model explains an atom as a small and positively charged nucleus surrounded by electrons. These…

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: Describe Rutherford’s model of the atom.

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

Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson

A: Since you have asked multiple questions, we will answer the first one for you. Kindly post the…

Q: Explain Rutherford’s Gold Foil experiment and what it did for the development of the atomic model.

A: Rutherford’s Gold Foil experiment makes out to find out the how an atom is formed and which nuclear…

Q: 1. Which scientist discovered the quantized nature of electrons? а. Bohr d. Planck b. Dalton e.…

A: Electron has quantized nature.

Q: proposed

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

Q: Why Rutherford’s model could not explain the stability of an atom?

A: Models for electrons- J.Thomson in 1897 discovered electron with the help of cathode ray tube…

Q: Outline Rutherford’s Gold foil experiment, including the observations and conclusions from his…

A: The arrangement of electrons, protons and neutrons inside the atoms is explained by different atomic…

Q: Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A.…

A: Correct ans- Far apart and positively charged.

Q: The diameter of a carbon atom is 1.54 A° . (a) Express thisdiameter in picometers. (b) How many…

A: (a)

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.