atomic theory and the periodicity. $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400...

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Atomic Theory and the Periodicity

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Page 1: Atomic Theory and the Periodicity. $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600

Atomic Theory and the Periodicity

Page 2: Atomic Theory and the Periodicity. $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600

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History Particles Periodicity ConfigurationsAnything

Goes

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Answer: Democritus

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Who first developed a philosophical idea about “atomos?”

Back

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Answer: Hard, indivisible spheresBack

What did Dalton think the atom was like?

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Answer: Gold-Foil experimentBack

What experiment did Rutherford perform to discover the nucleus of the atom?

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Answer: BohrBack

Who used bright-line spectra to make his discovery about the atom?

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Answer: see board and SchrodingerBack

Draw a model of the atom that includes one “s” orbital and 2 “p” orbitals, and who developed this model?

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Answer: protons and neutronsBack

What two subatomic particles are located in the nucleus?

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Answer: protons and electronsBack

Which two subatomic particles must be the same in number for an atom to be neutral?

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Answer: 1 neutronBack

What accounts for the difference in mass numbers if two isotopes of an element have mass numbers of 34 and 35?

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Answer: 15 protons, 15 electrons, and 17 neutrons

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How many of each subatomic particles are present in an atom of phosphorus-32?

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Answer: 56.5 amuBack

If a fictitious element (fullerium) has the following two isotopes, what is the average atomic mass of the element?75% fullerium-5625% fullerium-58

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Answer: The Periodic LawBack

What law states that when the elements are placed in increasing atomic number order the physical and chemical properties of the elements repeat periodically?

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Answer: Left of the zig-zag line with hydrogen and metalloids as exceptions.Back

Where are the metals located on the periodic table? (Be specific and list any exceptions.)

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Answer: Ionization energy or electronegativity

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Name a property of elements that increases as you go left to right across a period on the periodic table.

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Answer: a) energy required to remove an electron, and b) any element to left or below siliconBack

What is ionization energy and name an element with a lower ionization energy than silicon?

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Answer: increasing shielding and increased energy levels for valence electrons decreases electron attraction to nucleus

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Explain why electronegativity decreases as you move down a family on the periodic table.

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Answer: 5Back

How many different “d” orbitals are in any one energy level?

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Answer: oxygenBack

What element does the following electron configuration represent?

1s22s22p4

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Answer: 1s22s22p63s23p64s23d5Back

Write the electron configuration for manganese.

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Answer: 2 and 5sBack

How many valence electrons does an atom of strontium have and in which orbital are those valence electrons?

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Answer:Back

Draw the orbital diagram for promethium.

1s __2s __ 2p __ __ __3s __ 3p __ __ __ 3d __ __ __ __ __4s __ 4p __ __ __ 4d __ __ __ __ __ 4f __ __ __ __ __ __ __5s __ 5p __ __ __ 5d __ __ __ __ __ 5f __ __ __ __ __ __ __6s __

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Answer: protonBack

Which subatomic particle identifies an element?

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Answer: many answersBack

Name on Republican and one Democratic candidate running for president.

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Answer: a photon is releasedBack

What happens when an electron moves an excited state to the ground state?

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Answer: AustinBack

What is the capital of Texas?

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Answer: Francis Scott KeyBack

Who wrote the lyrics to “The Star Spangled Banner?”