radioactive isotope

Unstable nuclei decay spontaneously. This topic is part of Nuclear Physics within Science & Nature. This page currently draws on 4 supporting questions, with answers and bonus facts available below.

Play radioactive isotope Trivia

radioactive isotope trivia questions

A radioactive isotope has an unstable what?

Answer: Nucleus

Bonus fact: Unstable nuclei decay spontaneously.

Radioactive decay can release particles or what?

Answer: Radiation

Bonus fact: Alpha, beta, and gamma emissions are common.

What makes isotopes of the same element chemically similar?

Answer: They have the same number of protons

Bonus fact: Chemical identity is determined by atomic number.

What term describes the time for half the radioactive atoms in a sample to decay?

Answer: Half-life

Bonus fact: Half-life is characteristic of a radioactive isotope.

Explore more Science & Nature trivia