How was the first atomic theory was formed?

How was the first atomic theory was formed?
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john dalton develop an atomic theory in 1803, based on idea ofthe atomic exsiting
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Who was an ancient philosopher that first proposed the atomic theory?

Description : Who was an ancient philosopher that first proposed the atomic theory?

Last Answer : Leucippus (approx. 500 BC) and Democritus (approx. 460-370BC)

Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2200 years earlier?

Description : Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2200 years earlier?

Last Answer : What is the answer ?

Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef

Description : Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef

Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).

Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).

First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef

Description : First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef

Last Answer : A. John Dalton (Answer)

Which of the following Greek philosophers proposed the first atomic theory around 400 B.C.? Was it w) Plato x) Archimedes y) Aristotle z) Democritus

Description : Which of the following Greek philosophers proposed the first atomic theory around 400 B.C.? Was it w) Plato x) Archimedes y) Aristotle z) Democritus

Last Answer : ANSWER: D -- DEMOCRITUS

What are the observations of Dalton's atomic theory ? -Chemistry

Description : What are the observations of Dalton's atomic theory ? -Chemistry

Last Answer : 1. Atoms are very small 2. Atoms can neither be created nor be destroyed in a chemical reaction. 3. Atoms of the same elements show similar properties 4. Atoms of different elements show different properties 5. Atoms are always combined in definite proportion by mass in a chemical reaction.

What are the limitations of Dalton's atomic theory? -Chemistry

Description : What are the limitations of Dalton's atomic theory? -Chemistry

Last Answer : Hypothesis of Dalton's atomic theory → The matter is made up of indivisible particles known as atoms. The properties of all the atoms of a given element are the same including mass. ... element that takes part in reactions (atoms) and an ultimate particle that has independent existence (molecule)

According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Description : According to Dalton’s atomic theory, which is the smallest particle which can exist independently? -Do You Know?

Last Answer : According to Dalton's atomic theory, the smallest particle which can exist independently is ATOM

Who gave the atomic theory ?

Description : Who gave the atomic theory ?

Last Answer : Scientist Dalton gave the atomic theory.

Who is the proponent of atomic nuclear theory ?

Description : Who is the proponent of atomic nuclear theory ?

Last Answer : Radar Ford, proponent of atomic nuclear theory.

Who Discovered the Atomic Fracture Theory ?

Description : Who Discovered the Atomic Fracture Theory ?

Last Answer : Scientist Rutherford discovered it

Who Provides the Atomic Nuclear Theory ?

Last Answer : Ernest Rutherford provided the atomic nuclear theory.

Bohar atomic theory postulates

Description : Bohar atomic theory postulates

Last Answer : Bohar atomic theory postulates.

How does the Rutherford gold foil experiment correctly advance atomic theory away from the plum pudding model.?

Description : How does the Rutherford gold foil experiment correctly advance atomic theory away from the plum pudding model.?

Last Answer : Need answer

What is the Contribution of anaxagoras in atomic theory?

Description : What is the Contribution of anaxagoras in atomic theory?

Last Answer : The Greek philosopher Anaxagoras (ca. 500-ca. 428 B.C.) was the first to formulate a molecular theory of matter and to regard the physical universe as subject to the rule of rationality or reason. ... on the Ionian coast of Asia Minor in the town of Clazomenae, near Smyrna (now Izmir, Turkey).

What is an atomic theory Apex?

Description : What is an atomic theory Apex?

Last Answer : An idea about what atoms are like (APEX)

What did John Dalton atomic theory teach?

Description : What did John Dalton atomic theory teach?

Last Answer : The five main points of John Dalton's atomic theory are asfollowed: · Elements are made of tiny particles called atoms. · Allatoms of a given element are identical. · The atoms of a ... , nor destroyed in the chemical process. A chemicalreaction simply changes the way atoms are grouped together.

In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Description : In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Last Answer : The name given to a particular space around the nucleus in whichan electron moves is Orbital

What was one main point if daltons atomic theory?

Description : What was one main point if daltons atomic theory?

Last Answer : ttha atoms made up pthe smallest forms of matter

What did daltons atomic theory contributed to science?

Description : What did daltons atomic theory contributed to science?

Last Answer : Type your answer here... It formed the basis upon which the restof chemistry was built.

How was Thomson's atomic theory different from Rutherford atomic theory?

Description : How was Thomson's atomic theory different from Rutherford atomic theory?

Last Answer : According to Thomson's atomic theory, the mass of an atom wasspecial evenly throughout its volume. Errest Rutherford'sexperiment proved this wrong.

In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Description : In the modern quantum-based atomic theory what is the name given to a particular space around the nucleus in which an electron moves?

Last Answer : The name given to a particular space around the nucleus in whichan electron moves is Orbital

What did daltons atomic theory contributed to science?

Description : What did daltons atomic theory contributed to science?

Last Answer : Type your answer here... It formed the basis upon which the restof chemistry was built.

What was one main point if daltons atomic theory?

Description : What was one main point if daltons atomic theory?

Last Answer : ttha atoms made up pthe smallest forms of matter

What about Bohr's atomic theory was partially correct and also refined by other scientists?

Description : What about Bohr's atomic theory was partially correct and also refined by other scientists?

Last Answer : well an Austrian physicist named Erwin Schrodinger and Germanphysicist name Werner Heisenberg refined Bohr's conclusion that theexact path of an electron cannot be predicted , but there arecertain area in an ... are called electron clouds. The part that's right is thatthey can still move around.

What was Niels Bohr's contribution to the atomic theory?

Description : What was Niels Bohr's contribution to the atomic theory?

Last Answer : Two related questions (completed with answers) should be followed.Cf 'Related questions' in the link below this answer.

Who discovered the atomic theory?

Description : Who discovered the atomic theory?

Last Answer : John Dalton

The atomic spectra of hydrogen are explained by (a) Rutherford's model of the atom (b) Hund's rule of maximum multiplicity (c) Pauli's exclusion principle (d) Bohr's theory

Description : The atomic spectra of hydrogen are explained by (a) Rutherford's model of the atom (b) Hund's rule of maximum multiplicity (c) Pauli's exclusion principle (d) Bohr's theory

Last Answer : Ans:(d)

According to Dalton’s atomic theory, which is the smallest particle which can exist independently?

Description : According to Dalton’s atomic theory, which is the smallest particle which can exist independently?

Last Answer : An atom

Atomic Theory was propounded by?

Description : Atomic Theory was propounded by?

Last Answer : John Dalton

The branch of physics that deals with the motion of a very small particle is called- a)Field theory b)Particle Physics c)Quantum Mechanics d)Atomic Physics

Description : The branch of physics that deals with the motion of a very small particle is called- a)Field theory b)Particle Physics c)Quantum Mechanics d)Atomic Physics

Last Answer : c)Quantum Mechanics

What are the main postulates of Modern Atomic Theory.

Description : What are the main postulates of Modern Atomic Theory.

Last Answer : Ans : Modern Atomic Theory : (1) Composition : According to modern atomic theory , atom is a complex organization composed of even smaller particles called sub atomic particles e.g. electrons , ... to modern theory the ratio between atoms of various elements in many organic compounds is not simple.

What are the main postulates of Dalton’s Atomic Theory

Description : What are the main postulates of Dalton’s Atomic Theory

Last Answer : Ans : Dalton Atomic Theory : (1) Composition : All elements are made up of small indivisible & indestructible particles called atoms. (2) Identicalness : All atoms of a given element ... atoms themselves are not changed this means that atoms are neither created nor destroyed in chemical reactions.

The modern atomic theory was conceived by : w) Victor Grignard x) Daniel Rutherford y) Svante Arrhenius z) John Dalton

Description : The modern atomic theory was conceived by : w) Victor Grignard x) Daniel Rutherford y) Svante Arrhenius z) John Dalton

Last Answer : ANSWER: Z -- JOHN DALTON

‘Atomic theory’ of matter was given by (1) Avogadro (2) Dalton (3) Newton (4) Pascal

Description : ‘Atomic theory’ of matter was given by (1) Avogadro (2) Dalton (3) Newton (4) Pascal

Last Answer : Dalton

These two chemical elements, named after two world-renowned scientists, were first formed in a thermonuclear explosion which occurred in the South Pacific in 1952. The atomic numbers of these elements are 99 and 100. Their chemical symbols are Es and Fm. Name these elements.

Description : These two chemical elements, named after two world-renowned scientists, were first formed in a thermonuclear explosion which occurred in the South Pacific in 1952. The atomic numbers of these elements are 99 and 100. Their chemical symbols are Es and Fm. Name these elements.

Last Answer : ANSWER: EINSTEINIUM AND FERMIUM

In the following reaction sequence, the amount of D (in g) formed from to moles of acetophenone is.......... (Atomic weights in `g mol^(-1) : H = 1, C

Description : In the following reaction sequence, the amount of D (in g) formed from to moles of acetophenone is.......... (Atomic weights in `g mol^(-1) : H = 1, C

Last Answer : In the following reaction sequence, the amount of D (in g) formed from to moles of acetophenone ... product in each step is given in the parenthesis)

Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Description : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Last Answer : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta- ... )` nuclei formed directly in the ground state.

Which of the following is not characteristic of a p bond? (a) A p bond results from lateral overlap of atomic orbitals (b) A p bond may be formed by the overlap of p - or d - orbitals (c) p bonds are obtained from hybrid orbitals (d) p bonds is formed when a bond already exists

Description : Which of the following is not characteristic of a p bond? (a) A p bond results from lateral overlap of atomic orbitals (b) A p bond may be formed by the overlap of p - or d - orbitals (c) p bonds are obtained from hybrid orbitals (d) p bonds is formed when a bond already exists

Last Answer : Ans:(c)

The new nucleus formed after β-decay of a radioactive element has (A) Less atomic number (B) Less atomic weight (C) More atomic number (D) More atomic weight

Description : The new nucleus formed after β-decay of a radioactive element has (A) Less atomic number (B) Less atomic weight (C) More atomic number (D) More atomic weight

Last Answer : (A) Less atomic number