Synthesis of the Elements Nuclear Reactions Quiz

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What concept led to the synthesis of new elements in the laboratory?

Isotopes

Atomic mass

Valence electrons

Atomic number (correct)

Who discovered electrons, also known as 'corpuscles'?

J.J. Thomson (correct)

Johann Döbereiner

Ernest Rutherford

James Chadwick

What did Johann Döbereiner group elements into?

Periods

Groups

Triads (correct)

Isotopes

Which experiment involved the use of gold foil to discover the atomic nucleus?

Ernest Rutherford's experiment Signup and view all the answers

What key factor made Johann Döbereiner's method of classifying elements obsolete?

The identification of new elements Signup and view all the answers

Which region of the periodic table consists of elements that display properties of both metals and nonmetals?

Metalloids Signup and view all the answers

Why did newly discovered elements not fit into Dobereiner's triads?

'Triads' were based on atomic mass, not atomic number. Signup and view all the answers

Which scientist discovered the neutron?

James Chadwick Signup and view all the answers

Who proposed the idea of a tiny, extremely dense, positively charged region called the nucleus at the center of the atom?

Ernest Rutherford Signup and view all the answers

Which scientist suggested that electrons travel around the nucleus in definite paths?

Niels Bohr Signup and view all the answers

Who refined Niels Bohr's experiment results after further investigating Rutherford's gold foil experiment?

James Chadwick Signup and view all the answers

Which model proposed by scientists demonstrated that electrons can be mostly found in specific regions around the nucleus?

Electron Cloud Model Signup and view all the answers

Who developed the idea that electrons follow a strict circular path around the nucleus?

Niels Bohr Signup and view all the answers

In which year did Ernest Rutherford propose his nuclear model of the atom?

1911 Signup and view all the answers

Who discovered the neutron after further investigating Rutherford's gold foil experiment?

James Chadwick Signup and view all the answers

Which scientist developed the concept that electrons can jump from one path on a level to another path on a different level?

Niels Bohr Signup and view all the answers

Who developed the Electron Cloud Model in 1926 to mathematically determine regions where electrons can be mostly found?

Erwin Schrödinger Signup and view all the answers

Which scientist proposed an orbit model indicating the probability of finding an electron within a certain 'cloud' region?

Erwin Schrödinger Signup and view all the answers

Synthesis of the Elements Nuclear Reactions Quiz

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Questions and Answers

What concept led to the synthesis of new elements in the laboratory?

Who discovered electrons, also known as 'corpuscles'?

What did Johann Döbereiner group elements into?

Which experiment involved the use of gold foil to discover the atomic nucleus?

What key factor made Johann Döbereiner's method of classifying elements obsolete?

Which region of the periodic table consists of elements that display properties of both metals and nonmetals?

Why did newly discovered elements not fit into Dobereiner's triads?

Which scientist discovered the neutron?

Who proposed the idea of a tiny, extremely dense, positively charged region called the nucleus at the center of the atom?

Which scientist suggested that electrons travel around the nucleus in definite paths?

Who refined Niels Bohr's experiment results after further investigating Rutherford's gold foil experiment?

Which model proposed by scientists demonstrated that electrons can be mostly found in specific regions around the nucleus?

Who developed the idea that electrons follow a strict circular path around the nucleus?

In which year did Ernest Rutherford propose his nuclear model of the atom?

Who discovered the neutron after further investigating Rutherford's gold foil experiment?

Which scientist developed the concept that electrons can jump from one path on a level to another path on a different level?

Who developed the Electron Cloud Model in 1926 to mathematically determine regions where electrons can be mostly found?

Which scientist proposed an orbit model indicating the probability of finding an electron within a certain 'cloud' region?

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