Atoms in which the number of protons is different from the number of neutrons are called ___?

Prior to 3 billion years ago, most of Earth’s crust resembled modern continental crust

At what temperature will Forsterite melt, assuming pressure stays at 50 kBar?

What are ways scientists can estimate the cores composition? Choose all that apply

Where is the majority of continental crust formed?

Where is the majority of oceanic crust destroyed?

Which of the following elements did not form through Big Bang nucleosynthesis?

Explain why oceanic crust is significantly younger than continental crust.

X-ray crystallography would be a suitable means to determine the chemical composition of which of the following samples?

Identify the element with 16 protons, 16 neutrons, 16 electrons