How reactive is an atom of sodium(na) and why? question 1 options: sodium (na) is not very reactive because it does not have a full valence shell. sodium (na) is not very reactive because it can only bond with chlorine (cl) to become salt. sodium (na) is very reactive because it does not have a full valence shell. sodium (na) is very reactive because it does not have enough protons in the nucleus.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate