Isotopes

Front

What is the atomic number of an isotope? Options: The number of protons plus neutrons, The number of protons, The number of neutrons, The number of electrons

Back

The number of protons

Tags

NGSS.HS-PS1-8

Front

How do isotopes of the same element differ?

Back

Different number of neutrons

Front

If Carbon-14 has 6 protons, how many neutrons does it have?

Back

8

Front

What is true about isotopes? Options: They have different atomic numbers, They have the same number of neutrons, They have the same number of protons, They are different elements.

Back

They have the same number of protons.

Front

How can you find the number of neutrons in an isotope?

Back

Subtract the atomic number from the mass number.

Front

Mass number of an isotope with 20 protons and 22 neutrons?

Back

42

Front

Isotope with atomic number 15 and mass number 31: How many neutrons?

Back

16

Front

Which isotope has the most neutrons? Options: Oxygen-16, Oxygen-17, Oxygen-18, They all have the same number of neutrons.

Back

Oxygen-18

Front

If two isotopes have the same mass number but different atomic numbers, what can you infer about them?

Back

They are not isotopes but different elements.

Front

An isotope of nitrogen has 7 protons and 8 neutrons. What is its mass number?

Back

15