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Chemistry Quiz

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Questions and Answers

What is the most abundant element in the Earth's crust?

Silicon (correct)

Iron

Carbon

Oxygen

What is the chemical symbol for oxygen?

CO2

O (correct)

Which subatomic particle has a positive charge?

Neutron

Positron

Proton (correct)

Electron

Chemistry Quiz

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Questions and Answers

What is the most abundant element in the Earth's crust?

What is the chemical symbol for oxygen?

Which subatomic particle has a positive charge?

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