Medical Quiz

Topics: Chemistry Quiz

An atom…….

A. Is the smallest particle of an element that retains all the properties of that element.

B. Is anything that has mass and takes up space.

C. Has a positive charge

D. Has a negative charge

Select your answer:
     


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There are _____________ nanometers in a meter.

A. 10 million

B. 1 billion

C. 1000

D. 100