Answer:
Californium and Berkelium
Explanation:
Both are in California.
These elements are 98 and 97 on the Periodic Table of Elements, respectively.
Answer: 0.5 g/cm^3
Density equals mass divided by volume so..
60/120 is 0.5 g/cm^3
0.233682161601125
2K and 2b
a
because it is matter . It has change in molèculaŕ level
