Does the law of crosscutting relationships involve sedimentary rock only? why or why not?

What elements have 2 electrons inthe 4s sublevel

How many atoms are there in 5.70 mol of mg

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘