Both men and women have 24 ribs, twelve on each side. Each rib is attached to a spinal bone (thoracic vertebra) in the back. The first seven pairs of ribs join the breastbone (sternum) in the center of the chest. The front ends of the eighth, ninth, and 10th pairs are connected to the ribs above them.
No, H2CO3 is an aquous solution of carbon dioxide gas (CO2). It can also be 'written' as (CO2+H2O) or (CO2.H2O) or (CO2,aq) = hydrate of carbon dioxide and its chemical name â¦ : carbonic acid.
sixtusthevi is correct. Na is the cation (+1) and HCO3 is the anion (-1). The hydrogen is part of the polyatomic ion bicarbonate (HCO3).est Answer: Na is cation, HCO3 ^1- is the anion. Or maybe Na and H are both considered cations I'd go with my first answer, though because I'm pretty sure bicarbonate can stand alone as an anion. Source(s): Self.