The average atomic mass of Neon would simply be the sum of the weighted average of each isotope. That is:
average atomic mass = 0.905 * 20 + 0.003 * 21 + 0.092 * 22
average atomic mass = 20.187 amu
Answer:
D)They can be formed from any of the three rock types, withstanding
high temperatures and pressures, and forming new minerals without
melting.
Explanation: