These mystery elements are at the top of their families on the periodic table. an element that is in the same family as element
c is likely to have which properties?
a)
two valence electrons, solid, metal
b)
six valence electrons, gas, nonmetal
c
six valence electrons, solid, nonmetal
d)
two valence electrons, solid, nonmetal

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse