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Which of the following statements is true?

Dalton believed atoms were made mostly of empty space.
The number of protons in an element is always equal to the number of neutrons.
Plasmas have a net negative charge.
Solids have a fixed mass, volume, and shape.

User Roldugin
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2 Answers

4 votes
Plasmas have a negative charge
User Balafi
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2 votes
c plasmas have a net negative charge
User Ziya Mert Karakas
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