Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H−N−HH−N−H bond angle? Rank from largest to smallest H−N−HH−N−H bond angle. To rank items as equivalent, overlap them.

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?