TEAS Sentence Correction Practice Test 2

Question : 15 of 40

Marks: +1, -0

Which of these statements regarding isotopes is not true?

Isotopes of an element have the same chemical and physical properties.
Isotopes are atoms of the same element with different mass numbers.
Isotopes have the same number of protons and electrons in each atom, but a different number of neutrons in their nucleus.
Radio-isotopes are isotopes with unstable nuclei that emit radiations.

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