Which statement is true about gold and helium? A. They both occur as a gas at room temperature. B. They are both made of subatomic particles. C. They are both used in balloons. D. One of made of protons

Which statement is true about gold and helium?

A. They both occur as a gas at room temperature.
B. They are both made of subatomic particles.
C. They are both used in balloons.
D. One of made of protons and the other of only electrons.

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Which statement is true about gold and helium? A. They both occur as a gas at room temperature. B. They are both made of subatomic particles. C. They are both used in balloons. …

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