Isotopes POGIL

What does the mass number of an element represent?

• The number of protons in an atom

• the number of neutrons in an atom

• the number of electrons in an atom

• the number of protons and neutrons in an atom

Which corner of the isotope symbol contains the atomic number?

• top right
• top left
• lower left
• lower right

Which corner of the isotope symbol contains the mass number?

• top right
• top left
• lower left
• lower right

Which is the correct definition of isotope?

• Isotopes are atoms of the same element with different numbers of neutrons
• Isotopes are atoms of the same element with different numbers of protons
• Isotopes are atoms of the same element with different numbers of electrons

Tags

NGSS.HS-PS1-8

What is the mass number of a carbon atom that contains 6 protons, 8 neutrons, and 6 electrons? 

• 14
• 6
• 8
• 20

Tags

NGSS.MS-PS1-1

What is the structure of a krypton-85 atom?

• 36 electrons, 36 protons, and 49 neutrons
• 49 electrons, 49 protons, and 49 neutrons
• 49 electrons, 49 protons, and 85 neutrons
• 36 electrons, 36 protons, and 85 neutrons

Tags

NGSS.HS-PS1-8

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Tags

NGSS.MS-PS1-1

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons.

• true
• false

Tags

NGSS.HS-PS1-8

How many neutrons does a Calcium 48 isotope have?

• 16
• 20
• 28
• 12

Tags

NGSS.HS-PS1-8