Tin atomic mass is? Tin atomic number is?
Tin chemical symbol is?
If the 2 isotopes of Sn had 68 and 69 neutrons which is the dominant form based on the atomic mass?

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What is true of composite volcanoes?

Using the periodic table complete the table to describe each atom type in your answers