Counting gives an exact number and exact numbers have infinite sig figs.
The model of the atom has dramatically changed over many many years.We learned atoms make up different substances and are the smallest particles of matter, which have subatomic particles that are very small portions of matter. At first scientist only thought there were electrons which are negatively charged.
I would say that the answer is Sn.
C-is a non-metal
Ge-is a metalliod (consists both non-metal and metal)
Si -is a metalloid
Sn- is a pure metal
Answer:3.6 x 101 or 8.77 x 10-1
The periods inside the Periodic Table is B. a horizontal row, and is numbered 1 through 7
hope this helps
