Determine if the highlighted element in the first compound of each reaction was oxidized or reduced. (a) mg(s) nicl2(aq) ⟶ mgcl2(aq) ni(s) (b) pcl3(l) cl2(g) ⟶ pcl5(s) (c) c2 h4(g) 3o2(g) ⟶ 2co2(g) 2h2 o(g) (d) zn(s) h2 so4(aq) ⟶ znso4(aq) h2(g) (e) 2k2 s2 o3(s) i2(s) ⟶ k2 s4 o6(s) 2ki(s) (f) 3cu(s) 8hno3(aq) ⟶ 3cu(no3)2(aq) 2no(g) 4h2 o(l)

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

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∘

What metric units would you use to measure the thickness of a key