Which of the following statements is or are false?
i.Radioactivity first appeared on earth in the late 1800s.
ii.Atoms cannot be changed from one element to another.
iii.If a sample of a substance is radioactive,the sample remains radioactive forever.

Question

Quizplus · Accepted Answer

Radioactivity has existed since the formation of the earth, not just since the late 1800s. Atoms can change from one element to another through nuclear reactions. Radioactive substances decay over time and do not remain radioactive forever.

Which of the Following Statements Is or Are False