Isotope Exit Quiz

What are isotopes?

• Atoms of the same element with different numbers of protons.

• Atoms of the same element with different numbers of neutrons.

• Atoms of the same element with different numbers of electrons.

• Atoms of an element that are identical.

__________ have the same chemical properties but different physical properties.

Carbon-14 has ________ more neutrons than carbon-12.

Match the words with the definitions.

• atoms with different numbers of neutrons

• neutron

• a particle with no charge

• atomic number

• number of protons + neutrons

• isotope

• number of protons

• mass number

Of these four atoms, which two are isotopes?

• 8 protons and 8 neutrons

• 8 protons and 10 neutrons

• 10 protons and 8 neutrons

• 9 protons and 10 neutrons