Explain why Thomson’s model was called the plum pudding model.

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: Determine the mass of a sample

A: Given: The volume of the sample of chromium is 2.4 cm3.

Q: Which of the following scientists did not contributeto determining the structure of the atom?(a)…

A: To find: The scientists did not contribute to determining the structure of the atom

Q: Describe Rutherford’s planetary model of the atom.

A: Rutherford model or Rutherford atomic model or nuclear atom, or the planetary model of atom gives…

Q: why the discovery of noble gases was late?

A: The discovery of noble gases was late.

Q: When Rutherford’s coworkers bombarded gold foil with α particles, they obtained results that…

A: The Rutherford’s experiment established about the alpha particles bombarded with gold foil.…

Q: Explain the Components of Atoms?

A: The smallest and fundamental unit of matter, which leads to formation of chemical element is atom.…

Q: Describe Rutherford’s gold foil experiment. How did the experiment prove that the plum-pudding model…

A: Plum pudding model was first put forth J J Thomson. According to him, the structure of the atom was…

Q: What was Thomson's cathode ray experiment?

A: Sir J.J Thomson's cathode ray experiment led to the discovery of the electron. This was one of the…

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: Summarize how Thomson discovered the electron.

A: Atom is a smallest particles that cannot further divided. Electron is a subatomic particle in an…

Q: The average atomic mass of a sample containing three lithium-6 atoms and two lithium-7 atoms is…

A: The atomic mass of Lithium-6 isotope is 6.015122 amu Atomic mass of Lithium-7 isotope is 7.016004…

Q: Is the statement inconsistent with Dalton’s atomic theory as it was originally stated? Why? Two…

A:

Q: Provide a description of Rutherford’s gold foil experiment and the explanation for the results…

A: Rutherford's gold (Au) foil experiment:- Rutherford's experiment helps in understanding the atom in…

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: + 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: What are the noble gases?

A: Noble gases has to be defined.

Q: Explain why patterns observed in the periodic table of the elements are evidence for the existence…

A: The patterns we observe on the periodic table is because of some systematic features repeating units…

Q: Element X has two naturally occurring isotopes. If 72% of the atoms have a mass of 85 amu and 28% of…

A: An element X has 2 isotopes ,we can find the   relative atomic mass is the average value for the…

Q: What is Issac Newton contribution to the atomic theory? Explain in detail.

A: The correct explanation is given below

Q: What is Henri Becquerel contribution to the atomic theory? Explain in detail.

A: Answer - discovery of radioactivity in uranium by French physicist Henri Becquerel in 1896 forced…

Q: Describe the plum-pudding model of the atom.

A: The 'plum pudding' model of the atom was proposed by J.J Thomson. According to this model, the atom…

Q: 00 Не Enter the percent volume of He in the visualization. MM[He]=4.003 g/mol, MM[N2]=28.01 g/mol.

A: In 1 mol of helium there is 6.022×1022 atoms of helium. So, for the given system the number of moles…

Q: The Bohr model of the atom was an important discovery that led to the modern theory of atomic…

A:

Q: Explain how Dalton’s atomic theory offered a convincing explanation of the observation that mass is…

A: The parameter by which Dalton's atomic theory provided appropriate explanation of observation that…

Q: Which atomic model states that it is impossible to know the exact location of electrons around the…

A: The structure of the atom has been explained by several models known as atomic model. Many…

Q: A hypothetical element, X, has two isotopes: 47X with an isotopic mass of 47.621 amu and 51X with an…

A: The atomic mass of the element can be calculated as,

Q: In Rutherford experiment what was the unexpected result

A:

Q: Explain why the symbol for the element sulfur and the formula for a molecule of sulfur differ.

A:

Q: Compare and contrast Thomson’s plum pudding atomic model withRutherford’s nuclear atomic model.

A:

Q: Explain how the basic laws led to the discovery of Dalton's atomic theory.

A: Dalton based his theory on the law of conservation of mass and the law of constant composition. The…

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: Why chemists use models to study atoms?

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: Illustrate Dalton's model of atom

A: According to the Dalton atomic theory, the atom is the smallest particle of a substance and it…

Q: accomplishments

A:

Q: d. Sulfur trioxide, SO, e. dinitrogen tetroxide, N,O, f. Chlorate, CIO," (one chlorine and three…

A: The species given are SO3, N2O4 and ClO3-.

Q: Describe Rutherford’s model of the atom.

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

Q: Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen…

A: Elemental symbol - Elemental symbol is the representation of an element/atom which is seen in the…

Q: why Rutherford's model of an atom was considered to be unstable?

A: Rutherford’s experiment:Rutherford suggested that there is something at the center of the metal…

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: A gold atom has a diameter of 2.88 × 10210 m. Suppose the atoms in 1.00 mol of gold atoms are…

A: Concept Introduction: In 1 mole of any substance contains 6.023 x 1023 units of the substance. The…

Q: -Complete the following table Atoms Number of ņeutrons Number of electrons Carbon 13

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Identify the postulate of Dalton’s theory that is violated by the following observations: 59.95% of…

A: According to dalton's theory, 1st ample contains 59.95 % titanium while 2nd sample contains 60.1 %…

Q: Illustrate Thompson's Model of the atom

A:

Q: Based on the bohr model explain the location of the lithium element on the periodic table. Why is it…

A: Answer

Q: Question attached

A: We know that the density is defined as the mass occupied by the substance per unit volume Density =…