Atomic Structure and the Periodic Table

Last updated 10 months ago
83 questions
1

Who first proposed the existence of indivisible particles?

1

Who first proposed the idea of atoms?

1

Democritus believed matter was made of what?

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Which concept did Democritus contribute to chemistry?

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What does J.J. Thomson's experiment discover about atoms?

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Which particle did Thomson identify in his experiments?

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What model did Thomson propose for atomic structure?

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What charge did J.J. Thomson assign to the electron?

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What did Ernest Rutherford discover about the atom's structure?

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In Rutherford's gold foil experiment, what was the primary finding?

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How did Rutherford's model change the view of atoms?

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What did Rutherford conclude about the atom's mass?

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What did Niels Bohr propose about electron arrangement?

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Which of the following is true about Bohr's model?

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What aspect of atoms did Bohr's model primarily address?

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Bohr's model led to the understanding of what concept?

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What is an ion?

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What causes an atom to become an ion?

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Which particle is changed when forming an ion?

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An anion is formed by:

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What is the region where electrons are found called?

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What shape best describes the electron cloud model?

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How do electrons behave in the electron cloud?

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What is NOT true about the electron cloud?

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What does the atomic number represent in an atom?

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What is atomic mass primarily determined by?

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Which element has an atomic number of 6?

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How does atomic mass differ from atomic number?

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Who is known as the father of the periodic table?

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What did Mendeleev organize in the periodic table?

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What prediction did Mendeleev make about undiscovered elements?

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What key feature does Mendeleev's table represent?

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What subatomic particle carries a positive charge?

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Which part of the atom contains protons and neutrons?

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What determines the element's identity on the periodic table?

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What element has the atomic number 6?

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What is a group in the periodic table?

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Which of the following describes a period?

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How many groups are in the periodic table?

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What distinguishes elements in the same group?

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What do the periods in the periodic table represent?

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Elements in the same period have what in common?

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What determines the chemical properties of an element?

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What is the role of valence electrons in bonding?

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Which group has similar valence electrons?

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Which group mainly contains metals on the periodic table?

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What characteristic do nonmetals generally lack?

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Which element is an example of a metalloid?

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Which property is typical of metals?

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Which element is a metal?

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Which is a characteristic of nonmetals?

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What do metalloids typically exhibit?

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Which element is a metalloid?

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What property makes metals easily shaped into sheets?

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Which element is known for its high malleability?

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What is a characteristic of malleable materials?

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Why are malleable materials useful in construction?

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What does it mean if a metal is ductile?

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Which metal is known for its ductility?

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How does ductility relate to metals' properties?

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Why is ductility important for engineers?

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What defines an isotope of an element?

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How do elements differ from their isotopes?

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What is the mass number of an isotope?

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How does atomic number relate to isotopes?

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What is the center of an atom called?

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Which subatomic particle has a negative charge?

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Elements are arranged by what property in the periodic table?

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What do you call atoms of the same element?

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What defines an isotope of an element?

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What is an example of an isotope?

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What does the atomic number represent on the periodic table?

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Which group contains noble gases on the periodic table?

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What is the general trend for reactivity in Group 1?

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What part of an atom is found in the nucleus?

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Why do noble gases not react easily?

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Which of these elements is a metal?

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Which element is found in Group 1 of the periodic table?

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What do periods in the periodic table indicate?

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Which element has the chemical symbol 'Fe'?

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What does the atomic number represent in an element?

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Which group contains noble gases on the periodic table?

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Where are metals typically found on the periodic table?