20 points
the atomic symbol 206/82 pb represents lead-206 (pb-206), an isotope that has 82 protons and 124 neutrons. which atomic symbol could represent an isotope that undergoes radioactive decay to produce pb-206?
a) 238/92 u
b) 222/87 pb
c) 178/72 hf
d) 192/77 pb

If you want to create an electrical current, which situation would produce a solution capable of this

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∘

Draw two cyclic constitutional isomers of cis-1