The physical part of digestion is called? a) digestion
b) mechanical digestion
c) chemical digestion
d) solubility

List four observations that indicate that a chemical reaction may be taking place

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc