13 Which electron configuration has three half-filled orbitals? A 1s 2s 2ps
1s 2s 2p5
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D 1s 2s 2p3

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li