2.1 Study Guide

Question 1

What’s an isotope?

Answer 1

a form of a chemical element in which the atoms have the same number of protons but a different number of neutrons

Question 2

Where are protons located?

Answer 2

inside the nucleus

Question 3

What determines an isotope?

Answer 3

isotopes are determined by their mass

Question 4

Where are neutrons located?

Answer 4

inside the nucleus

Question 5

Where are electrons located?

Answer 5

outer shells of atom in electron cloud

Question 6

What charge do protons have?

Answer 6

positive charge

Question 7

What charge do neutrons have?

Answer 7

neutral charge

Question 8

What charge do electrons have?

Answer 8

negative charge

Question 9

Which charge has a mass of 0?

Answer 9

electrons

Question 10

Determine with 6 protons, 7 neutrons, and 8 electrons

Answer 10

C, atomic mass of 13, and -2 charge

Question 11

Determine O with a mass of 18 and charge of 1

Answer 11

8 protons, 10 neutrons, and 7 electrons

Question 12

Determine why isotopes can be useful in scientific research

Answer 12

They have unique properties with different levels of radiation that can make them useful for treatment applications and other biological studies.