stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Ch 2 & 4 Test Review Flashcards | StudBud
Ch 2 & 4 Test Review
1 / 22
What does the number 84 in the name krypton-84 represent?
A
twice the number of protons
B
the mass number
C
the atomic number
D
the sum of the protons and electrons
Next
0
0
correct · 0:00