Understanding Isotopes Quiz

What is the definition of isotopes?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same number of electrons but different numbers of protons

Tags

NGSS.HS-PS1-8

Which of the following is an example of isotopes?

• Carbon-12 and Carbon-14

• Oxygen-16 and Nitrogen-16

• Hydrogen-1 and Helium-4

• Sodium-23 and Magnesium-24

• An isotope of carbon with 14 protons and 6 neutrons

• An isotope of carbon with 6 protons and 14 neutrons

• An isotope of carbon with 6 protons and 8 neutrons

Tags

NGSS.MS-PS1-1

• 8

• 10

• 16

Tags

NGSS.MS-PS1-1

• 19

• 20

• 39

• 58

Which of the following statements is true about isotopes?

• Isotopes have different chemical properties.

• Isotopes have the same number of protons and neutrons.

• Isotopes have the same atomic number but different mass numbers.

Tags

NGSS.HS-PS1-8

Which of the following is an isotope of Uranium-235?

• Uranium-238

• Thorium-234

• Plutonium-239

• Radium-226

Tags

NGSS.HS-PS1-8

What is the isotope notation for an isotope of nitrogen with 7 protons and 8 neutrons?

Tags

NGSS.HS-PS1-8

• 15

• 16

• 31

• 46

Tags

NGSS.MS-PS1-1

What is the mass number of an isotope with 12 protons and 14 neutrons?

• 12

• 14

• 26

• 28