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Chemistry

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Term1/4

Which two subatomic particles have about the same mass

Definition1/4

Protons and neutrons have about the same mass.

Term1/4

Why do atomic nuclei decay

Definition1/4

To become stable

Term1/4

What type of charge do electrons carry

Definition1/4

negative

Term1/4

Which term describes energy that is required to get chemical reactions started

Definition1/4

activation energy

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Cards in this guide (4)

Which two subatomic particles have about the same mass

Protons and neutrons have about the same mass.

Why do atomic nuclei decay

To become stable

What type of charge do electrons carry

negative

Which term describes energy that is required to get chemical reactions started

activation energy

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Chemistry

Rate this Study Guide:

Chemistry

Which type of radioactive decay has the largest and most damaging particles

Which term describes energy that is required to get chemical reactions started

What is the atomic number of this element of PB

What is the mass number of this element 82 pb

Chemistry

What is endothermic and exothermic

Which type of reaction is the burning of gasoline to release heat energy

How many types of single-replacement reactions are there

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Which term describes energy that is required to get chemical reactions started

How many electrons does an atom of lead contain

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A positive two ion of calcium ca plus 2 would have how many protons electrons and neutrons

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What is the photoelectric effect

How many elements were there in 1860

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Which of the following is the best example of an open system

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