Word Bank: Erosion, Heat and Pressure, Crust, Metamorphic Rock, Magma, Sedimentary Rock, Igneous Rock,
Compaction, Melting, Earth
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What is an example of a physical property?

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!