(6.5 pt) For each of the following chemical species: (i) Find the total number of valence electrons (ii) Draw the correct Lewis structure and indicate if there is any resonance (iii) For any bonds that are polar covalent, draw the correct dipole representation (iv) Find the Steric Number of the central atom in the Lewis structure (v) Identify the correct shape by VSEPR theory

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Why do oxygen have a strong attractive force for electrons