• In chemistry, you need to be able to make inferences about what is happening on the microscopic scale based on observations on the
macroscopic scale because...

i think it is d. e because the next one is igneous.

pie chart because it is in percents ( % )

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.