Atoms-Electron Cloud Worksheet Page 2

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Period:

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How can you determine how many electrons are in an

atom?

In order for an element to be ________ – the # of

__________ (-) subatomic particles MUST EQUAL the number

of __________ (+) subatomic particles.

But where exactly are the electrons in an atom?

Electron Clouds

areas within atoms ___________ the nucleus where there is a

high probability of finding electrons.

Orbitals

areas within the __________ ________ with a higher

probability of finding electrons.

Orbital Levels

2-8-8 Rule

closest to nucleus – max ___ electrons

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shell – max ___ electrons

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shell – max ___ electrons

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fill shells closest to nucleus first

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Build an atom!

Summary: Explain how to build an atom after you have practiced:

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Parent category: Education