Which element has a smaller ionic radius than magnesium (Mg)?

A. Calcium (Ca)
B. Sodium (Na)
C. Alurninum (A1)
D. Rubidium (Rb)

1. list three scientific reasons cockroaches may fly.

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?