Lonic Bonding Why did it require two sodium atoms to Complete
the Na 0 formula unit?

Na has +2 charge and O has -1 charge.
Na has +1 charge and O has -2 charge
Na has -2 charge and O has +1 charge.

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Draw two cyclic constitutional isomers of cis-1

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?