How do conduction and convection differ? a Conduction can move through empty space to transfer heat; convection cannot.

b Conduction does not require objects to have direct physical contact; convection does.

c Conduction requires objects to have direct physical contact; convection does not.

d Conduction transmits heat through electromagnetic waves; convection does not.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

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

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: