<span>K3Fe(CN)6
K - 3 atoms
Fe - 1 atom
C - 6 atoms
N - 6 atoms
Altogether : 3+1+6+6= 16 atoms</span>
Answer:

The prefix "Tetra" implies 4 Bromine atoms. The prefix "Deca" implies 10 fluorine atoms.
Answer:
Excited State
Explanation:
It's when electrons absorb energy and move to a higher level.
Gravity is a force that can used draws everywhere, or everything to the Earth's center.
Hope it helped you.
-Charlie
Thanks!