How Atoms Differ

Front

Atomic Number Noun

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[uh-tom-ik num-ber]

Back

Front

Proton Noun

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[pro-ton]

Back

Front

Neutron Noun

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[noo-tron]

Back

Front

Electron Noun

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[ih-lek-tron]

Back

Front

Isotope Noun

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[ahy-suh-tohp]

Back

Front

Mass Number Noun

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[mas num-ber]

Back

Front

Atomic Mass Noun

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[uh-tom-ik mas]

Back

Front

Atomic Mass Unit (amu) Noun

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[uh-tom-ik mas yoo-nit]

Back

Front

Periodicity Noun

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[peer-ee-uh-dis-i-tee]

Back

Front

Nucleus Noun

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[noo-klee-uhs]

Back