Chemistry A Molecular Approach AP Edition Chapter 8

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Quantum mechanics

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Quantum mechanics

________ explains how electrons arrange in an atom.

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Hydrogen

________ acts like a nonmetal and is not included in 1A metals.

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Nonmetals

________ have varied physical properties but tend to be poor conductors of heat and electricity and gain electrons in chemical reactions.

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aufbau principle

The ________ says that only two electrons with opposing spins are allowed in each orbital.

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Mendeleev

________ could predict elements that hadn't been discovered yet with this table.

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sodium

The ________ is pumped out of cells while potassium is pumped in.

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Attraction

________ decreases as particles get farther apart.

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Halogens

What are reactive because they can easily gain one electron to have a noble gas configuration? Answer with a single words or term.

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Sublevel energy

The spin determines how many electrons can be in one orbital. ________ splitting determines the order of orbital filling.

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quantum mechanics theory

The ________ describes the behavior of elements.

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Metallic character

What is important because there are many metals on the periodic table? Answer with a single words or term.

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Alkali metals

________ can easily lose an electron to have noble gas configurations.

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Noble gases

________ can be used to represent inner electrons.

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Penetrations

What is when an electron gets closer to the nucleus? Answer with a single words or term.

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Transition elements

________ make up the d orbitals.

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Fluorine

What is the most powerful oxidizing agent? Answer with a single words or term.

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atomic radius

What is largely determined by the number of valence electrons? Answer with a single words or term.

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Helium

________ has 2 valence electrons.

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Electron configurations

________ shows the particular orbital that electrons occupy.

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Anions

________ are much larger than their normal atoms.

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Orbitals

________ fill from left to right.

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Valence electrons

What are important for chemical bonding? Answer with a single words or term.

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orbital diagram

A(n) ________ symbolizes the electrons as an arrow and the orbital as a box.

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Ionization energy lowers

________ going down a column.

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Periodic properties

________ are predictable based on the element's position on the table.

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