Mod 4 Lesson 4

Question 1

Atomic mass

Answer 1

the mass of the neutrons and protons in an atom of an element

Question 2

Atomic number

Answer 2

the number of protons in an atom

Question 3

Average atomic mass

Answer 3

accounts for all naturally occurring isotopes and their abundances

Question 4

Chemical symbol

Answer 4

the letter abbreviation for each element

Question 5

Mass number

Answer 5

the sum of the number of neutrons and protons in an atom